- Baseline Family Hx completed during Phases I-III: MAYO
- Baseline Epi/Risk Factors completed during Phases I-II: MAYO
- Baseline Epi_Risk Factors completed during Phase III: MAYO
- Follow up Epi completed during Phase II: MAYO
- Follow up Epi/Family Hx completed during Phase III: MAYO
- Follow up Epi/Family Hx completed during Phase IV: MAYO
- Follow up Epi/Family Hx completed during Phase V: MAYO
- CRC Pathology Data Abstraction Form 1998-2019: MAYO
- CRC Pathology Data Abstraction Form 2020-current: All sites
- CRC Clinical Abstraction Form: MAYO