What is Hereditary Nonpolyposis Colorectal Cancer (HNPCC)?
Hereditary Nonpolyposis Colorectal Cancer (HNPCC), also known as Lynch Syndrome, is an inherited disorder that increases the risk of many types of cancer, particularly colorectal cancer. Unlike most colorectal cancers, which typically develop from polyps, HNPCC-related cancers do not usually begin with the formation of numerous polyps. Instead, mutations in specific genes involved in DNA mismatch repair lead to an increased risk of cancer.
