title: Evolution of a new specialty.
authors.affiliation: Department of Surgery, Johns Hopkins Medicine, Bethesda, Maryland2SUNY Downstate School of Public Health, Brooklyn, New York.
authors.forename: Michael E
authors.initials: ME
authors.lastname: Zenilman
mesh_terms: D001943:Breast Neoplasms / Q000601:surgery*; D002983:Clinical Competence; D005260:Female; D006801:Humans; D008297:Male; D009367:Neoplasm Staging / Q000379:methods*; D010820:Physicians / Q000592:standards*; D021701:Sentinel Lymph Node Biopsy / Q000706:statistics & numerical data*; D013038:Specialization; D013043:Specialties, Surgical / Q000592:standards*