title: Introduction: current controversies in rectal cancer.
authors.forename: Brian G
authors.initials: BG
authors.lastname: Czito
authors.forename: Christopher G
authors.initials: CG
authors.lastname: Willett
mesh_terms: D003131:Combined Modality Therapy; D003657:Decision Making; D003952:Diagnostic Imaging; D006801:Humans; D009364:Neoplasm Recurrence, Local; D009367:Neoplasm Staging; D011788:Quality of Life; D016032:Randomized Controlled Trials as Topic; D012004:Rectal Neoplasms / Q000175:diagnosis / Q000628:therapy*; D012307:Risk Factors; D015996:Survival Rate