title: Interval signet-ring cell adenocarcinoma of the colon: missed or de novo?
authors.forename: Seth
authors.initials: S
authors.lastname: Sweetser
authors.forename: David A
authors.initials: DA
authors.lastname: Ahlquist
mesh_terms: D000236:Adenoma / Q000175:diagnosis / Q000601:surgery; D000368:Aged; D018279:Carcinoma, Signet Ring Cell / Q000175:diagnosis*; D003110:Colonic Neoplasms / Q000175:diagnosis* / Q000601:surgery; D003113:Colonoscopy; D003951:Diagnostic Errors; D006801:Humans; D008297:Male