a total of 44 extrahepatic bile duct carcinomas comprising 13 well-differentiated adenocarcinomas , 25 moderately differentiated adenocarcinomas , and 6 poorly differentiated adenocarcinomas were examined histologically and immunohistochemically for somatostatin , gastrin , and glicentin .
C0001418
adenocarcinomas
C0037659
somatostatin