title: Marginal effect in breast-conserving surgery.
authors.forename: I S
authors.initials: IS
authors.lastname: Fentiman
mesh_terms: D001943:Breast Neoplasms / Q000601:surgery*; D002285:Carcinoma, Intraductal, Noninfiltrating / Q000601:surgery*; D005260:Female; D006801:Humans; D015412:Mastectomy, Segmental / Q000379:methods*