{"id":419,"date":"2018-10-23T18:55:51","date_gmt":"2018-10-23T18:55:51","guid":{"rendered":"https:jwcistage.wpengine.com\/breast\/treatment-2\/radiation-oncology\/"},"modified":"2025-04-09T19:26:56","modified_gmt":"2025-04-09T19:26:56","slug":"radiation-therapy-treatments","status":"publish","type":"page","link":"https:\/\/www.saintjohnscancer.org\/breast\/breast-cancer\/treatment\/radiation-therapy-treatments\/","title":{"rendered":"Radiation Therapy for Breast Cancer"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":null,"protected":false},"author":2,"featured_media":0,"parent":401,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"class_list":["post-419","page","type-page","status-publish","hentry"],"acf":{"layers":[{"acf_fc_layout":"layer_content_sidebar","layer_label":"","layer_headline":"","layer_intro":"","layer_content":"<p style=\"font-size: 26px; line-height: 30px; letter-spacing: -0.5px; color: #042f72; font-weight: 600; padding-top: 50px;\">At Saint John\u2019s Health Center, our radiation therapy services are provided by Vasek Polak Radiation Oncology, which provides comprehensive, state-of-the-art radiotherapy services. As part of a multi-disciplinary approach to patient care and treating cancer, including surgeons, medical oncologists, and radiation oncologists, we work together to ensure the most effective treatment plans for each patient.<\/p>\n<h2>What is Radiation Therapy for Breast Cancer?<\/h2>\n<p><figure id=\"attachment_1041\" aria-describedby=\"caption-attachment-1041\" style=\"width: 451px\" class=\"wp-caption alignright\"><img decoding=\"async\" src=\"https:\/\/www.saintjohnscancer.org\/breast\/wp-content\/uploads\/sites\/7\/2025\/04\/radiation-therapy-external-beam-saint-johns-health-center.jpg\" alt=\"radiation-therapy-external-beam-saint johns health center\" width=\"100%\" height=\"auto\" class=\"size-full wp-image-1041\" srcset=\"https:\/\/www.saintjohnscancer.org\/breast\/wp-content\/uploads\/sites\/7\/2025\/04\/radiation-therapy-external-beam-saint-johns-health-center.jpg 902w, https:\/\/www.saintjohnscancer.org\/breast\/wp-content\/uploads\/sites\/7\/2025\/04\/radiation-therapy-external-beam-saint-johns-health-center-300x201.jpg 300w, https:\/\/www.saintjohnscancer.org\/breast\/wp-content\/uploads\/sites\/7\/2025\/04\/radiation-therapy-external-beam-saint-johns-health-center-768x513.jpg 768w, https:\/\/www.saintjohnscancer.org\/breast\/wp-content\/uploads\/sites\/7\/2025\/04\/radiation-therapy-external-beam-saint-johns-health-center-100x67.jpg 100w\" sizes=\"(max-width: 902px) 100vw, 902px\" \/><figcaption id=\"caption-attachment-1041\" class=\"wp-caption-text\">Vasek Polak Radiation Oncology Department at Saint John\u2019s Health Center provides comprehensive radiotherapy services.<\/figcaption><\/figure>Radiation therapy, also called radiotherapy, is a cutting-edge medical technique designed to target and treat cancerous tumors in the breast and other parts of the body. Typically, radiation is used to treat areas of the breast that are close to the surgery site. This helps to ensure any remaining cancer cells within the margin of treatment are destroyed, thereby reducing the possibility of recurrence. While radiation therapy kills cancer cells by damaging their ability to reproduce, it can also affect normal cells, so treatment must be carefully planned and calculated.\u00a0 This process minimizes the impact on the healthy surrounding tissues and organs.\u00a0 Radiation remains a highly effective way to destroy cancerous tumors, providing additional options beyond surgery.<\/p>\n<p>The Vasek Polak Radiation Oncology Department at Saint John\u2019s Health Center offers our patients access to highly advanced radiation therapy technology combined with a highly experienced and compassionate team of technologists and support staff.<\/p>\n<p><strong>Learn more about radiation technologies, including the <a href=\"https:\/\/www.saintjohnscancer.org\/radiation-oncology\/\"><u>roles and responsibilities of the radiation oncology care team<\/u><\/a>.<\/strong><\/p>\n<h2>Common Types of Radiation Therapy for Breast Cancer<\/h2>\n<p>Radiation can be delivered from outside the body through specialized machines or by positioning radioactive sources inside the body near cancer cells.\u00a0 How radiation is delivered will depend on the type and stage of cancer.\u00a0 Our approach involves a multidisciplinary team that collaborates to determine the best treatment plan for each patient.\u00a0 They will provide you with information when additional treatment modalities are recommended, ensuring patients can ask questions and tailor their care.<\/p>\n<div style=\"padding-left:3%\">\n<h3 style=\"font-size: 26px; line-height: 30px; font-weight: 500; margin-bottom: -12px;\">External Beam Radiation<\/h3>\n<p>The most common form of radiation therapy is external beam radiation, especially after procedures like lumpectomy or sometimes mastectomy. Our Varian Edge\u2122 linear accelerator allows patients to receive precisely targeted higher-dose radiation in shorter, more comfortable sessions. This method is painless, and each session lasts just a few minutes. Before starting treatment, patients undergo a planning session, known as a simulation, which involves a CT scan to help our experts craft a personalized treatment plan that maximizes efficacy while minimizing impact on healthy tissues.<\/p>\n<h3 style=\"font-size: 26px; line-height: 30px; font-weight: 500; margin-bottom: -12px;\">Intraoperative Radiation Therapy (IORT)<\/h3>\n<p><figure id=\"attachment_1031\" aria-describedby=\"caption-attachment-1031\" style=\"width: 360px\" class=\"wp-caption alignright\"><img decoding=\"async\" src=\"https:\/\/www.saintjohnscancer.org\/breast\/wp-content\/uploads\/sites\/7\/2025\/03\/Intraoperative-Radiation-Therapy-IORT-Margie-Petersen-Breast-Center.jpg\" alt=\"Intraoperative Radiation Therapy (IORT) - Margie Petersen Breast Center\" width=\"100%\" height=\"auto\" class=\"size-full wp-image-1031\" srcset=\"https:\/\/www.saintjohnscancer.org\/breast\/wp-content\/uploads\/sites\/7\/2025\/03\/Intraoperative-Radiation-Therapy-IORT-Margie-Petersen-Breast-Center.jpg 720w, https:\/\/www.saintjohnscancer.org\/breast\/wp-content\/uploads\/sites\/7\/2025\/03\/Intraoperative-Radiation-Therapy-IORT-Margie-Petersen-Breast-Center-300x199.jpg 300w, https:\/\/www.saintjohnscancer.org\/breast\/wp-content\/uploads\/sites\/7\/2025\/03\/Intraoperative-Radiation-Therapy-IORT-Margie-Petersen-Breast-Center-100x66.jpg 100w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><figcaption id=\"caption-attachment-1031\" class=\"wp-caption-text\">Intraoperative Radiation Therapy (IORT) &#8211; Margie Petersen Breast Center<\/figcaption><\/figure>Intraoperative Radiation Therapy (IORT) is an innovative technique that administers radiation directly to the cancer site during surgery. This method is designed to maximize the protection of normal tissues while minimizing side effects. IORT is particularly beneficial because it delivers a high dose of radiation in a single session, immediately after the tumor is removed. This approach ensures that any remaining cancer cells are targeted effectively, reducing the likelihood of recurrence. The procedure involves placing a specialized applicator in the area where the tumor was removed, through which the radiation is delivered.<\/p>\n<p>Despite its relatively recent introduction and shorter follow-up period, IORT has shown promising results in clinical trials. It is available to select patients based on specific criteria, such as tumor size and location, and overall health. In some cases, additional radiation therapy may be required after surgery to ensure comprehensive treatment. The integration of IORT into the surgical process involves close collaboration between the surgical and radiation oncology teams, ensuring that the treatment is both effective and safe. This multidisciplinary approach helps achieve excellent cancer control with minimal complications.<\/p>\n<h3 style=\"font-size: 26px; line-height: 30px; font-weight: 500; margin-bottom: -12px;\">Accelerated Partial Breast Irradiation (APBI)<\/h3>\n<p>APBI offers another option for certain patients\u2019 post-lumpectomy. This method targets the rim of normal tissue around the surgical site, allowing for a quicker treatment cycle compared to whole breast radiotherapy. Enveloping the site where the tumor was located, treatment is administered via a small balloon, or lumens device, as with SAVI, MammoSite, and Contura, which are commonly used for breast brachytherapy. APBI is typically administered twice daily over five days, using advanced technologies like Intensity Modulated Radiotherapy (IMRT) or High Dose Rate Brachytherapy (HDR).<\/p>\n<p>While radiation therapy is generally well-tolerated, it&#8217;s normal to experience mild side effects, such as skin changes or fatigue, during the treatment course. Rest assured, our dedicated team\u2014including your Margie Petersen Breast Center Nurse Navigator and radiation oncology nurses and physicians\u2014will provide you with personalized care and detailed guidance throughout your journey.\n<\/p><\/div>\n<p><strong><a href=\"https:\/\/www.saintjohnscancer.org\/radiation-oncology\/\">Click here<\/a> to learn more about radiation technologies.<\/strong><\/p>\n<h2>Radiation after Lumpectomy or Mastectomy<\/h2>\n<p>Radiation therapy is a crucial component of breast cancer treatment, particularly following surgical interventions like lumpectomy or mastectomy. After a lumpectomy, radiation typically targets the remaining breast tissue to eliminate any residual cancer cells, significantly reducing the risk of recurrence. This approach, known as breast conservation therapy, often involves external beam radiation, which directs high-energy rays at the entire breast or, in some cases, just the area around the tumor site (partial-breast irradiation). The inclusion of nearby lymph nodes in the radiation field may be recommended if there is a risk of cancer spread.<\/p>\n<p>In the case of a mastectomy, radiation therapy is generally considered when there are high-risk features such as large tumor size or lymph node involvement. The treatment focuses on the chest wall and adjacent lymph nodes to prevent recurrence in these areas. For patients who have undergone immediate breast reconstruction, a multidisciplinary team ensures that radiation therapy is seamlessly integrated into the treatment plan. This collaborative approach helps achieve excellent cancer control while minimizing radiation-related complications. Advances in radiation techniques, such as intensity-modulated radiation therapy (IMRT), have further improved the precision and effectiveness of post-mastectomy radiation, enhancing patient outcomes with fewer side effects.<\/p>\n<p style=\"font-size: 22px; line-height: 28px; letter-spacing: -0.5px; color: #042f72; font-weight: 600; padding-bottom: 60px;padding-top:40px\">At the Margie Petersen Breast Center, we are committed to supporting you every step of the way. For more information about radiation thereapy or<a href=\"https:\/\/www.saintjohnscancer.org\/breast\/breast-cancer\/treatment\/\"> <u>other treatments<\/u><\/a>, please contact our center.<\/p>\n","layer_is_content_auto_columns":false,"sidebar_position":"right","widgets":false,"layer_icon":"","layer_icon_position":"left","layer_background_color":"","layer_id":""},{"acf_fc_layout":"layer_content_sidebar","layer_label":"","layer_headline":"","layer_intro":"<h2>Questions?<\/h2>\n","layer_content":"<h3 style-\"margin-top:60px\">Contact the Margie Petersen Breast Center<\/h3>\n<figure id=\"attachment_769\" aria-describedby=\"caption-attachment-769\" style=\"width: 500px\" class=\"wp-caption alignright\"><img decoding=\"async\" src=\"https:\/\/www.saintjohnscancer.org\/breast\/wp-content\/uploads\/sites\/7\/2019\/12\/Margie-Petersen-Breast-Team-1-scaled.jpg\" alt=\"Margie Petersen Breast Team\" width=\"100%\" height=\"auto\" class=\"size-full wp-image-769\" srcset=\"https:\/\/www.saintjohnscancer.org\/breast\/wp-content\/uploads\/sites\/7\/2019\/12\/Margie-Petersen-Breast-Team-1-scaled.jpg 2560w, https:\/\/www.saintjohnscancer.org\/breast\/wp-content\/uploads\/sites\/7\/2019\/12\/Margie-Petersen-Breast-Team-1-300x160.jpg 300w, https:\/\/www.saintjohnscancer.org\/breast\/wp-content\/uploads\/sites\/7\/2019\/12\/Margie-Petersen-Breast-Team-1-1024x546.jpg 1024w, https:\/\/www.saintjohnscancer.org\/breast\/wp-content\/uploads\/sites\/7\/2019\/12\/Margie-Petersen-Breast-Team-1-768x410.jpg 768w, https:\/\/www.saintjohnscancer.org\/breast\/wp-content\/uploads\/sites\/7\/2019\/12\/Margie-Petersen-Breast-Team-1-1536x819.jpg 1536w, https:\/\/www.saintjohnscancer.org\/breast\/wp-content\/uploads\/sites\/7\/2019\/12\/Margie-Petersen-Breast-Team-1-2048x1092.jpg 2048w, https:\/\/www.saintjohnscancer.org\/breast\/wp-content\/uploads\/sites\/7\/2019\/12\/Margie-Petersen-Breast-Team-1-100x53.jpg 100w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><figcaption id=\"caption-attachment-769\" class=\"wp-caption-text\">The Margie Petersen Breast Center Team<\/figcaption><\/figure>\n<p style=\"font-size: 24px; line-height: 28px; letter-spacing: -0.5px; color: #042f72; font-weight: 600;\">The Margie Petersen Breast Center at Providence Saint John\u2019s Health Center is widely renowned for its outstanding and compassionate patient care, expert surgical and medical team, and ability to evaluate any breast condition in one day fully.<\/p>\n<p><a class=\"btn btn--primary\" href=\"https:\/\/www.saintjohnscancer.org\/breast\/meet-our-team\/\" target=\"_blank\" rel=\"noopener\">Meet Our Breast Health Experts<\/a><\/p>\n<p>The Breast Health Clinic can be reached at <strong><a href=\"tel:310-582-7209\">(310) 582-7209<\/a><\/strong>. If you have questions regarding a new symptom or want to make an appointment for evaluation please call and a staff member will assist with navigating you in the right direction.<\/p>\n<p><a class=\"btn btn--primary\" href=\"https:\/\/www.saintjohnscancer.org\/breast\/schedule-an-appointment\/\">Schedule an Appointment For more information<\/a><\/p>\n","layer_is_content_auto_columns":false,"sidebar_position":"right","widgets":false,"layer_icon":"","layer_icon_position":"left","layer_background_color":"bg-gray-l","layer_id":""},{"acf_fc_layout":"layer_featured_blog_items","layer_label":"","layer_headline":"More from Our Blog","layer_intro":"","layer_featuredblog_col_width":"quarters","layer_featuredblog_pullbycat":"blog","layer_featuredblog_selectblogcat":["breast"],"layer_featuredblog_selectblogauth":[],"layer_featuredblog_more_link":"","layer_background_color":"bg-gray-l","layer_id":""}],"int_alt_page_title":"","int_page_description":"","int_masthead_image":false,"int_page_icon":"","int_secondary_cta_override":false,"int_secondary_cta_is_hidden":false,"header_scripts":"{\r\n   \"@context\": \"https:\/\/www.schema.org\",\r\n   \"@type\": [\r\n      \"MedicalWebPage\"\r\n   ],\r\n   \"audience\": \"http:\/\/schema.org\/Patient\",\r\n   \"url\": \"https:\/\/www.saintjohnscancer.org\/breast\/breast-cancer\/treatment\/radiation-therapy-treatments\/\",\r\n   \"@id\": \"https:\/\/www.saintjohnscancer.org\/breast\/breast-cancer\/treatment\/radiation-therapy-treatments\/#medicalwebpage\",\r\n   \"mainEntityofPage\": \"https:\/\/www.saintjohnscancer.org\/breast\/breast-cancer\/treatment\/radiation-therapy-treatments\/\",\r\n   \"headline\": \"Radiation Therapy Treatments\",\r\n   \"name\": \"Breast Radiation Therapy Treatments | Saint John\u2019s Cancer Institute - Santa Monica, CA\",\r\n   \"description\": \"The Margie Petersen Breast Center at Saint John\u2019s Cancer Institute offers comprehensive, patient-centered care for individuals newly diagnosed with breast cancer. A cornerstone of this approach is the Multidisciplinary Clinic (MDC), where patients consult with a team of specialized breast cancer physicians, including a surgical oncologist, radiation oncologist, and medical oncologist. Each specialist provides individual consultations, followed by a collaborative meeting where the team devises a personalized treatment plan based on the patient's imaging, pathology, and medical history. This collaborative model streamlines the journey from diagnosis to treatment, reducing delays and enhancing coordination among the care team. The MDC experience is guided by a dedicated nurse navigator, who assists the patient through each step of the 4-hour session, addressing questions and ensuring a seamless experience. Each session is recorded for the patient's future reference, providing clarity and support throughout the treatment process. In addition to these consultations, the center offers insights into the latest in breast cancer therapy through resources like podcasts, featuring experts such as Dr. Janie Grumley, Director of the Comprehensive Breast Program and Breast Surgical Oncologist at Saint John\u2019s Cancer Institute. Patients can explore advanced treatment modalities including surgical treatments (e.g., oncoplastic lumpectomy, partial mastectomy, sentinel node biopsy, skin-sparing mastectomy, and nipple-sparing mastectomy with options for immediate breast reconstruction). The Margie Petersen Breast Center provides a full spectrum of breast cancer treatment options tailored to each patient's unique situation, including chemotherapy, endocrine therapy, and immunotherapy. Each treatment plan considers factors like the type and stage of breast cancer, hormone sensitivity, and the patient's overall health and preferences, ensuring personalized, evidence-based care. With cutting-edge treatments, a dedicated team, and comprehensive support resources, the Margie Petersen Breast Center is committed to advancing breast cancer care, from early detection and diagnosis to treatment and survivorship.\",\r\n   \"mainContentOfPage\": [\r\n      {\r\n         \"@type\": \"WebPageElement\",\r\n         \"name\": \"Radiation Therapy\",\r\n         \"description\": \"Radiation therapy is a highly targeted, highly effective way to destroy cancer cells in the breast that may remain after surgery. Radiation therapy uses high-energy radiation to kill cancer cells by damaging their DNA. Radiation therapy has an important role in treating all stages of breast cancer because it is so effective and relatively safe. It can be used at the site of the original cancer or in areas where the cancer has spread. Radiation therapy preferentially kills cancer cells, but it can also affect normal cells. Therefore, treatment must be carefully planned to minimize side effects. 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These webinars, funded by the Ken Johnson Family, cover screening methods, oncoplastic surgery, intraoperative radiation therapy (IORT), patient experiences, and the latest advancements in research and treatment. Expert speakers include Dr. Janie Grumley, Dr. Crystal E. Fancher, and patient advocates, providing insights into personalized care, wellness, and advancements in breast cancer treatment and support resources.\",\r\n         \"about\": [\r\n            \"breast cancer webinars\",\r\n            \"breast cancer screening\",\r\n            \"oncoplastic breast surgery\",\r\n            \"intraoperative radiation therapy\",\r\n            \"breast cancer thrivers\",\r\n            \"breakthroughs in breasst cancer\"\r\n         ]\r\n      },\r\n      {\r\n         \"@type\": \"WebPageElement\",\r\n         \"name\": \"External beam radiation\",\r\n         \"description\": \"Details of breast cancer treatment options based on cancer type, stage, and patient preferences, including surgical, chemotherapy, endocrine therapy, and radiation therapy.\",\r\n         \"about\": [\r\n            \"External Beam Radiation\",\r\n            \"Radiation Therapy\",\r\n            \"Lumpectomy\",\r\n            \"Mastectomy\",\r\n            \"High-Energy X-Rays\",\r\n            \"Photons\",\r\n            \"Linear Accelerator\",\r\n            \"Trilogy Linear Accelerator\",\r\n            \"Radiation Oncologist\",\r\n            \"Radiation Physicist\",\r\n            \"Radiation Simulation\",\r\n            \"CT Scan\",\r\n            \"Customized Radiation Treatment Plan\",\r\n            \"Boost Dose\",\r\n            \"Electrons\",\r\n            \"Lymph Node Treatment\",\r\n            \"Chest Wall Radiation\",\r\n            \"Post-Mastectomy Radiation\",\r\n            \"Integrated Radiation Therapy\",\r\n            \"Breast Cancer Treatment\"\r\n         ]\r\n      },\r\n      {\r\n         \"@type\": \"WebPageElement\",\r\n         \"name\": \"intraoperative radiation therapy\",\r\n         \"description\": \"A relatively new type of radiation to treat breast cancer is intraoperative radiation therapy (IORT). IORT is a highly targeted treatment, delivering a dose of radiation only to the \u201cbed\u201d of the breast cancer at the time of surgery. This allows maximal sparing of normal tissues. Results of clinical trials have demonstrated very low side effects, and very promising results. However, since follow-up time is relatively short, we are currently offering this treatment to carefully selected patients. IORT is given during breast conserving surgery, while under anesthesia, immediately after the cancer has been removed. An applicator for radiation is placed by the surgeon. The radiation oncology team then comes to the operating room to deliver the single treatment. Once the radiation has been delivered, the applicator is removed by the surgeon and nothing is left in the breast. The surgeon will then complete the operation. If on final pathology the cancer cells are found to have more worrisome features, then additional radiation will be given after surgery. 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APBI at Providence Saint John\u2019s Health Center is done using Intensity Modulated Radiotherapy (IMRT) External Beam Radiation Therapy or with High Dose Rate Brachytherapy (HDR) internal catheters\/balloons.\",\r\n         \"about\": []\r\n      },\r\n      {\r\n         \"@type\": \"WebPageElement\",\r\n         \"name\": \"Surgical Treatments\",\r\n         \"url\": \"https:\/\/www.saintjohnscancer.org\/breast\/breast-cancer\/treatment\/#surgical-treatments\",\r\n         \"description\": \"Overview of advanced surgical options for breast cancer, including oncoplastic lumpectomy, sentinel node biopsy, and mastectomy options with breast reconstruction.\",\r\n         \"about\": [\r\n            \"breast cancer surgery\",\r\n            \"oncoplastic surgery\",\r\n            \"mastectomy\",\r\n            \"breast reconstruction\",\r\n            \"sentinel node biopsy\"\r\n         ]\r\n      }\r\n   ],\r\n   \"keywords\": [\r\n      \"Radiation Therapy\",\r\n      \"External Beam 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oncologists.\",\r\n         \"alternateName\": [\r\n            \"MDC\",\r\n            \"Saint John's Multidisciplinary Clinic\"\r\n         ],\r\n         \"address\": {\r\n            \"@type\": \"PostalAddress\",\r\n            \"addressLocality\": \"Santa Monica\",\r\n            \"addressRegion\": \"CA\",\r\n            \"addressCountry\": \"USA\"\r\n         }\r\n      },\r\n      {\r\n         \"@type\": [\r\n            \"VideoObject\",\r\n            \"PodcastEpisode\"\r\n         ],\r\n         \"@id\": \"#video-iort-breast-cancer\",\r\n         \"name\": \"Benefits of Intraoperative Radiation Therapy (IORT) for Breast Cancer\",\r\n         \"description\": \"This video explains the benefits of intraoperative radiation therapy (IORT) in treating breast cancer. 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Today we're going to be talking a little bit about intraoperative radiation therapy for breast cancer and that sometimes less can actually be the best. We'd like to thank our sponsors, the Irene Dunn Guild and the Ken Johnson family, who have been generous in funding these webinars for us. A special thanks also goes to our sponsor, Zoff, a subsidiary of iCAD, for supporting today's webinar. I'm Janie Grumley, your moderator, the director of the comprehensive breast program at the Margie Petersen Breast Center and an associate professor of surgical oncology at the John Wayne Cancer Institute. 0:52 We are excited to have Dr. Robert Wollman, medical director of the Vasek Pollock Radiation Oncology Department at Providence John\u2019s, and assistant professor at the John Wayne Cancer Institute. 1:03 Dr. Wollman will discuss the latest in intraoperative radiation therapy for breast cancer. 2:07 Let's go back in history and discuss the evolution of radiation therapy for early breast cancer treatment. Prior to the 1970s, radical mastectomy was the main treatment. Then in the 1980s, lumpectomy combined with radiation therapy emerged as an effective alternative. Over the years, advancements reduced the treatment time from six weeks to four weeks, and eventually to partial breast radiation. 3:12  Now, with intraoperative radiation therapy (IORT), we can deliver radiation in one targeted session during surgery. 6:06 This approach allows for precise radiation delivery to the tumor site, minimizing exposure to healthy tissue and surrounding organs. 19:02 Approximately 80-90% of patients suitable for IORT will only need that single treatment, eliminating the need for further external radiation. 23:11 The benefits of IORT include reduced treatment time, fewer side effects, and a better quality of life for patients. It's also a cost-effective solution that reduces healthcare costs. 35:15 For many women with early breast cancer, IORT provides effective treatment with fewer side effects and lower healthcare costs. We\u2019re proud to offer this treatment at Providence St. John\u2019s. 47:00 Thank you all for participating, and thank you to our sponsors for making this event possible. 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