RET and thyroid gland papillary carcinoma: Papillary thyroid cancer is mainly reported to be associated with the missense mutation of B-raf proto-oncogene (BRAF, serine/threonine kinase) and rearrangement of RET/PTC1, RET/PTC3, and neurotrophic tyrosine kinase-1/3 (NTRK1/3) genes [4].