Additionally, some ferroptosis-associated genes including p53, DPP4, SLC7A11, and GPX4 were closely correlated with genesis, progression, and prognosis of CRC (Xie et al., 2017; Chen et al., 2020; Xia et al., 2020; Hong et al., 2021). Here, SLC7A11 is linked to colorectal carcinoma.