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Intraoperative Radiation Therapy

From cancer prevention to second opinions and support, we’re here for you 24/7. Anyone affected by cancer can call us or email Navigation@Avera.org.

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Intraoperative radiation therapy (IORT) delivers radiation straight to a tumor during a lumpectomy surgery. This combination, breast-saving treatment is standard care for women (and men) with early-stage breast cancer. It can also shorten postoperative radiation treatments or eliminate future treatments altogether.

Did you know?

IORT is a combination of surgery and radiation therapy in one procedure, typically done for patients who are 50 and older, and who have small tumors. Learn More

Advanced Treatment Technology

IORT is a proven cancer treatment, involving precision and strength. A mobile linear accelerator delivers a high dose of electron-based radiation to the tumor site in 1-2 minutes during a lumpectomy.

Feel Like Yourself Again Sooner

This type of radiation therapy benefits patients with fewer treatments and side effects. Typically, a lumpectomy is accompanied by 6-7 weeks of daily radiation treatments after surgery. With IORT, you may only need 3 weeks of treatment – or even just one given on the day of surgery. It varies depending on the tumor type/size and your age.

  • Helps kill cancer cells before they can spread
  • Delivered in 1-2 minutes during surgery
  • Less damage to healthy tissue

Coping with Cancer Support Groups

Need support? We’re here. Find the help you need through a support group. Whether you’re a patient or loved one undergoing cancer treatment, join us for open discussion and encouragement.

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Cancer Research and Clinical Trials

Avera Cancer Institute’s clinical research and cutting-edge technology advance what’s possible in cancer care. Patients get evidence-based standard treatment for all types of cancer. Review a wide variety of clinical trials, including several studies currently enrolling patients.

View Clinical Trials

View My Portal

Track your dates, lab results and health care information on Oncology & Hematology Patient Portal, powered by Kaiku (after 11/5/2023) or Oncology & Hematology Patient Portal (prior to 11/6/2023).

Navigating Cancer, Together 24/7

No matter how your life has been touched by cancer, you can find the information, support and comfort you need. Call anytime to reach the Avera Cancer Institute with your cancer-related questions or concerns.

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