RET and medullary thyroid gland carcinoma: In our data set, none of the genes with FDR <0.05 proposed by Jain et al. 28 were confirmed by comparison between MEN2A-like and MEN2B-like MTC samples; similarly, no differences were observed regarding to the genes reported by Watanabe et al. 29 and Maliszewska et al. 31.