LGALS4 and lung cancer: Galectin-4 which has been detected in many cancers has association with the development and progression of pancreatic carcinoma, hepatocellular carcinoma, colorectal cancer (CRC), breast carcinoma, gastric cancer, and lung cancer (Rechreche et al., 1997; Hippo et al., 2001; Hayashi et al., 2013; Belo et al., 2013; Cai et al., 2014).