title: Breast radiotherapy after lumpectomy--no longer always necessary.
authors.forename: Ian E
authors.initials: IE
authors.lastname: Smith
authors.forename: Gillian M
authors.initials: GM
authors.lastname: Ross
mesh_terms: D000367:Age Factors; D000368:Aged; D018931:Antineoplastic Agents, Hormonal / Q000627:therapeutic use*; D001943:Breast Neoplasms / Q000532:radiotherapy / Q000628:therapy*; D003131:Combined Modality Therapy; D005260:Female; D006801:Humans; D015412:Mastectomy, Segmental; D008875:Middle Aged; D009364:Neoplasm Recurrence, Local; D009376:Neoplasms, Hormone-Dependent / Q000628:therapy; D013629:Tamoxifen / Q000627:therapeutic use*
chemical_list: D018931:Antineoplastic Agents, Hormonal; D013629:Tamoxifen