Body composition and colorectal cancer recurrence and survival

Interventions: Data from two ongoing prospective cohort studies are combined with registry-based data from three hospitals. The prospective cohorts, i.e., the COLON (and EnCoRe studies, started in 2010 and 2012, respectively. For the registry-based data the Netherlands Cancer Registry is used to select all stage I-III CRC patients diagnosed between 2007 and 2013. Primary outcome(s): Overall mortality Study Design: Single blinded (masking used), N/A , unknown, Other