The stalk from a resected adenoma can simulate a polyp.
D000236:Adenoma / Q000175:diagnosis* / Q000601:surgery; D000368:Aged; D003110:Colonic Neoplasms / Q000175:diagnosis* / Q000601:surgery; D003111:Colonic Polyps / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male