PCSK7 and colorectal carcinoma: The results showed that the gene expression of PCSK7 (OR = 0.90, 95%CI 0.82–0.99, pSMR = 0.0426, pHEIDI = 0.429) was a protective factor for CRC, while the gene expression of CTSF (OR = 1.07, 95%CI 1.01–1.14, pSMR = 0.0184, pHEIDI = 0.005) was a risk factor for CRC.