title: [Endoscopic ultrasound and rectal cancer].
authors.forename: M J
authors.initials: MJ
authors.lastname: Varas
authors.forename: C
authors.initials: C
authors.lastname: Marco
mesh_terms: D003113:Colonoscopy; D019160:Endosonography; D006801:Humans; D012004:Rectal Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology