[Primary adenoid carcinoma and adenocarcinoma of the midportion of esophagus].
D000230:Adenocarcinoma / Q000473:pathology*; D002288:Adenocarcinoma, Mucinous / Q000473:pathology*; D000328:Adult; D004938:Esophageal Neoplasms / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged