title: Surgery: neoadjuvant chemoradiation and sphincter preservation.
authors.forename: Vincenzo
authors.initials: V
authors.lastname: Valentini
authors.forename: Francesco
authors.initials: F
authors.lastname: Cellini
mesh_terms: D001003:Anal Canal / Q000601:surgery*; D003131:Combined Modality Therapy; D006801:Humans; D020360:Neoadjuvant Therapy; D012004:Rectal Neoplasms / Q000188:drug therapy / Q000532:radiotherapy / Q000601:surgery