The TARGIT Collaborative Group (TCG) is a cooperative effort between radiation oncologists, cancer surgeons, physicists and other experts in intraoperative radiotherapy that share a common commitment to improving cancer patient care through education, patient advocacy, mentorship, and collaborative research.

TARGIT Collaborative Group

The TARGIT Collaborative Group website is for health care professionals and professional members of the TARGIT Collaborative Group. Non-healthcare providers seeking general information about TARGIT-IORT single-dose treatment for breast cancer, please visit

ASTRO Proposed Consensus and LINK to the Public Comment Webform

(TIME SENSITIVE) From Dennis R. Holmes, MD, FACS: "A Freedom Worth Fighting For"

ASTRO PBI response and Proposed PBI Guidelines Response Reminder - Deadline Extended

2024 Conference

TCG 6th Annual Conference
San Diego, California

February 2 - 3, 2024



Website Updates: Press and Articles

Find articles on a variety of topics including TARGIT-A and General IORT.

Single-Dose Radiation Therapy for Breast Cancer Removes Treatment Barriers for Underserved Black Women

TARGIT-A Press Release

Recently Published Study Shows Effective Treatment for Early-Stage Breast Cancer

Click Here to view recently updated TARGIT - A videos and Articles.