title: Postmastectomy radiotherapy in patients with breast cancer - Authors' reply.
authors.affiliation: Early Breast Cancer Trialists' Collaborative Group Secretariat, Clinical Trial Service Unit, Oxford OX3 7LF, UK. Electronic address: bc.overview@ctsu.ox.ac.uk.
authors.lastname: Early Breast Cancer Trialists' Collaborative Group
mesh_terms: D001943:Breast Neoplasms / Q000401:mortality* / Q000532:radiotherapy*; D005260:Female; D006801:Humans; D008207:Lymphatic Metastasis