CEMIP and breast cancer: Subsequently, we conducted a pan-cancer analysis of CEMIP expression based on the TCGA database and discovered that it was highly expressed in most cancers, consistent with early studies (Evensen et al., 2013; Jami et al., 2014; Zhang et al., 2014; Fink et al., 2015; Shen et al., 2019; Li et al., 2020a; Zhai et al., 2020; Liu et al., 2021a; Chen et al., 2021), after which we focused on CEMIP expression in BC.