(Hereditary Nonpolyposis Colorectal Cancer) - A condition in which the tendency to develop colon or rectal cancer is inherited (it is hereditary).
Hereditary nonpolyposis colorectal cancer, an inherited colorectal cancer syndrome.
Hereditary nonpolyposis colon cancer. An inherited disorder in which affected individuals have a higher-than-normal chance of developing colorectal cancer and certain other types of cancer, often before the age of 50. Also called Lynch syndrome.