BCAM and colorectal cancer: Emerging studies have shown that BCAM plays an important role in tumor progression, including skin tumors, hepatocellular carcinoma, colorectal cancer, and bladder cancer (Bartolini et al., 2016; Campbell et al., 1994; Chang et al., 2017; Drewniok et al., 2004; Kikkawa et al., 2013).