Colorectal Cancer Test Multi-target Detection of Septin9, SDC2, and BCAT1 Methylation(PCR-Fluorescent Probe Method) CE-IVDD Colorectal Cancer: The World's #2 Cancer Killer. Colorectal cancer is a leading cause of cancer morbidity and mortality worldwide. Proportion of Colorectal Cancer Among All New Cancer Cases Worldwide (2022) Proportion of Colorectal Cancer Among All Cancer-related Deaths Worldwide (2022)