Breast Cancer — SCE Medical Oncology MCQ

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EasyBreast CancerBreast CancerSCE Medical Oncology

A 55-year-old woman with stage IIA ER+/HER2- breast cancer undergoes BCS with clear margins and negative sentinel node. What local treatment is required?

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Correct answer: B — Whole breast radiotherapy

After BCS, whole breast RT reduces local recurrence from ~30% to <5%. This is mandatory per NICE NG101 and the EBCTCG meta-analysis, except in highly selected low-risk elderly patients.

Reference: NICE NG101 Early breast cancer; EBCTCG Lancet 2011