although there has been some evidence suggesting that immunological mechanisms are involved in the pathophysiology of familial polyposis coli ( fpc ) , there has not been any report as to whether there is any abnormality of lymphoid cell subsets as background , whether polyps ( adenomas ) show different lymphoid cell subsets from the normal mucosa , or whether hla-dr antigens are expressed on the epithelia of adenomas .
C0014609
epithelia
C0001430
adenomas