INHBA and colorectal cancer: As the subunit of activin A and inhibin, INHBA was reported highly expressed in multiple human cancers, including gastric cancer (Wang et al., 2012; Oshima et al., 2014), colorectal cancer (Okano et al., 2013), esophageal adenocarcinoma (Seder et al., 2009a), urothelial carcinoma (Lee et al., 2015), and lung cancer (Seder et al., 2009b).