the coexpression of blood-group substance a , b , and h , lewis b antigen , and dfca is consistent with the opinion that both rectal carcinomas and carcinoids have a common entoderm origin , but carcinoids are considered to rise from the endocrine-differentiated and the adenocarcinomas from the nonendocrine-differentiated enterocytes .
C0007095
carcinoids
C0014136
endocrine