Inclusion Criteria:

1. Colorectal cancer (CRC) Patients: CRC patients will be eligible if they:

- have a diagnosis of colorectal adenocarcinoma at or before age 60, and were
diagnosed between 6 and 12 months prior to being contacted about this study (to
allow adequate time for dissemination of CRC risk to family members, and to
avoid interference with care surrounding the initial diagnosis);

- have at least one living FDR age 40 years or older;

- can read and speak English.

2. FDRs of CRC Patients: FDRs will be eligible if they

- are age 40 years or older;

- can read and speak English.

Exclusion Criteria:

1. CRC Patients: CRC patients will be excluded if they:

- have a history of a known hereditary CRC syndrome (e.g., HNPCC, familial
polyposis) or inflammatory bowel disease (e.g., ulcerative colitis or Crohn's
disease); or

- have an ECOG PS>1.

2. FDRs of CRC patients: FDRs will be excluded if they:

- have a history of a known hereditary CRC syndrome (e.g., HNPCC, familial
polyposis) or inflammatory bowel disease (e.g., ulcerative colitis or Crohn's
disease); or

- have a personal history of colon polyps or of cancer diagnosed within 5 years
prior to entry into the study, with the exception of nonmelanoma skin cancer.