[Studies on early cancer of the head of the pancreas--adenoma at the enlarged area of the common bile duct and early cancer at the enlarged area].
D000230:Adenocarcinoma / Q000473:pathology*; D000236:Adenoma / Q000473:pathology; D000328:Adult; D001650:Bile Duct Neoplasms / Q000473:pathology*; D003135:Common Bile Duct / Q000473:pathology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010190:Pancreatic Neoplasms / Q000473:pathology*