ASCL1 and medullary thyroid gland carcinoma: In addition to gliomas, ASCL1 is highly expressed in cancers with neuroendocrine characteristics from multiple tissues including SCLC, prostate cancer, and thyroid medullary carcinoma (Chen, Kunnimalaiyaan, & Van Gompel, 2005; Rapa et al., 2013; Zhang et al., 2018).