Chest wall irradiation does not impact 10-year survival in intermediate-risk breast cancer

Patients with intermediate-risk breast cancer had similar rates of 10-year overall survival whether or not they underwent chest wall irradiation (CWI) after mastectomy, according to results from the BIG 2-04 MRC SUPREMO clinical trial presented at the San Antonio Breast Cancer Symposium (SABCS), held December 10-13, 2024.