Feature No | Definition |
---|---|
F1 | at least one first degree relative of the index patient with CRC affected by an HNPCC closely associated cancer* |
F2 | at least one other malignancy associated with HNPCC (cancers of the stomach, hepatobiliary tract, ovary, pancreas or gliomas) in a first degree relative of patient with CRC |
F3 | CRC diagnosed under the age of 50 |
F4 | CRC diagnosed under the age of 40 |
F5 | HNPCC closely associated cancer* diagnosed under the age of 50 in first degree relatives of an index patient with CRC |