title: What actually constitutes a safe margin?
authors.forename: Fraser M
authors.initials: FM
authors.lastname: Smith
authors.forename: Matthew F
authors.initials: MF
authors.lastname: Kalady
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D020360:Neoadjuvant Therapy; D009361:Neoplasm Invasiveness; D009362:Neoplasm Metastasis; D012004:Rectal Neoplasms / Q000473:pathology* / Q000628:therapy*