Galectin-3 protein expression in FPTLs: Galectin-3 is a member of the β-galactoside-binding mammalian family of lectins that serves functions in metastasis, angiogenesis, proliferation, and apoptosis of multiple tumor types, including thyroid carcinoma (Huang et al., 2018). This evidence concerns the gene LGALS3 and neoplasm.