Kaplan-Meier curves for stage I–III colorectal cancer, stratified by tumor PTGS2 status.
A. Colorectal cancer-specific survival according to post-diagnosis physical activity quartile in PTGS2-negative cases.
B. Colorectal cancer-specific survival according to post-diagnosis physical activity quartile in PTGS2-positive cases.
C. Overall survival according to post-diagnosis physical activity quartile in PTGS2-negative cases.
D. Overall survival according to post-diagnosis physical activity quartile in PTGS2-positive cases.