Polypoid squamous carcinoma of the esophagus.
D002277:Carcinoma / Q000473:pathology*; D002294:Carcinoma, Squamous Cell / Q000473:pathology*; D002296:Carcinosarcoma / Q000473:pathology*; D004938:Esophageal Neoplasms / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged