Colorectal cancer diagnosed in a patient who is less than 50 years of
age |
Presence of synchronous, metachronous colorectal, or other
HNPCC-associated tumors, regardless of age |
Colorectal cancer with the MSI-H like histology diagnosed in a patient
who is less than 60 years of age |
Colorectal cancer diagnosed in a patient with 1 or more first-degree
relatives with an HNPCC-related tumor, with 1 of the cancers being
diagnosed under age 50 years. |
Colorectal cancer diagnosed in a patient with 2 or more first- or
second-degree relatives with HNPCC-related tumors, regardless of
age. |