Heterozygous APC germline mutations impart predisposition to colorectal cancer
Abstract Familial adenomatous polyposis (FAP) is an inherited syndrome caused by a heterozygous adenomatous polyposis coli (APC) germline mutation, associated with a profound lifetime risk for colorectal cancer.While it is well accepted that tumorigenic transformation is initiated following acquisition of a second mutation and loss of function Schr