Attenuated Familial Adenomatous Polyposis, also known as attenuated fap, is related to familial adenomatous polyposis 2 and familial adenomatous polyposis 4. The drugs Erlotinib Hydrochloride and Protein Kinase Inhibitors have been mentioned in the context of this disorder. Affiliated tissues include colon and small intestine, and related phenotypes are colorectal polyposis and large intestinal polyposis