Prospective Study on Exemption of Tumor Bed Boost Radiotherapy for pCR Patients After Breast Conserving Surgery With Neoadjuvant Therapy
This study is a multicenter, single-arm, phase II clinical trial, aiming to evaluate the safety and efficacy of tumor bed dose escalation radiotherapy for patients with primary breast lesions achieving pCR (ypT0) after neoadjuvant chemotherapy and breast-conserving surgery.