TNFRSF17 and colonic neoplasm: TNFRSF17 may be a candidate gene associated with the pathogenesis of colon cancer, and the haplotypes of TNFRSF17 polymorphisms might be markers for colon cancer susceptibility.28 BCL2 is a well‐known protein that prevents apoptosis in many kinds of tumors and is routinely assayed as a diagnostic marker in the clinical practice of pathology.