Adenocarcinoma of the pyloric antrum with extensive squamous differentiation.
D000230:Adenocarcinoma / Q000473:pathology*; D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000473:pathology*; D006801:Humans; D008297:Male; D008679:Metaplasia; D011708:Pylorus; D013274:Stomach Neoplasms / Q000473:pathology*