Galectin-4 (Gal-4) is one of the 16 members of the human galectin family, characterized by their participation in a myriad of biological phenomena, with important implications in immunity (Sato et al., 2009; Giovannone et al., 2018; Martínez Allo et al., 2018), inflammation, and cancer (Elola et al., 2018). Here, LGALS4 is linked to cancer.