Trial Parameters
Brief Summary
ColoCare is an international prospective cohort study of stage I-IV colorectal cancer patients (ICD-10 C18-C20).
Eligibility Criteria
Inclusion Criteria: 1. Age 18-89 years; for patients recruited after 09/01/2021 the age range is 18-69 years. Recruitment of patients 70 years and older was maintained for specific sub-studies and re-initiated for specific R01 grant funding in \~06/2024 2. Men and women 3. Newly-diagnosed colon or rectal cancer (stages I-IV); CRC in treatment (FHCRC and HCI) 4. English (FHCRC, Moffitt, HCI, Cedars-Sinai, WashU St. Louis) or German (University Hospital Heidelberg)-speaking; 5. mentally/physically able to consent and participate. Exclusion Criteria: * if one of the above in not fulfilled * insufficient language or consent capacity