ZFPM2 and cancer: In this study, many lncRNAs in the risk model, such as ZFPM2-AS1, NRAV, LUCAT1, MKLN1-AS, and LINC01224, were found to exert vital roles in regulating and participating in the progression of different cancers (He et al., 2020a; Gao et al., 2020; Liu et al., 2020; Sun et al., 2021).