GAL and neoplasm: Elevated Gal-1 expression in tumor correlates with multiple processes including cell cycle regulation, apoptosis, cell adhesion, migration, angiogenesis, drug resistance and immunosuppression by interacting with glycoconjugates and regulating the biological activities of H-Ras/MEK/ERK, β-catenin pathways in the tumor microenvironment [5, 28].