OLFM2 and colorectal carcinoma: Subsequently, 11 CRC prognosis-related genes (NOXA1, PIP4K2B, PRKRIP1, SERTAD2, PRELID2, ZNF160, OLFM2, CAPRIN2, ELFN1, LINC00672, and PRR4) were selected based on the identified 642 DEGs (Figure 2A, P < .01).