CYP27B1 and colorectal carcinoma: We did not find any relationship between the CYP2R1 rs10741657, CYP27B1 rs10877012, CYP27B1 rs4646536, CYP27B1 rs3782130, CYP27B1 rs703842, CYP24A1 rs4809957, VDR rs1544410 (BsmI), or VDR rs11568820 (Cdx2) SNPs and CRC survival.