Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) familial adenomatous polyposis ?
    ### Response:
    Familial adenomatous polyposis (FAP) is an inherited disorder characterized by cancer of the large intestine (colon) and rectum. People with the classic type of familial adenomatous polyposis may begin to develop multiple noncancerous (benign) growths (polyps) in the colon as early as their teenage years.
    