,29,68 While expression of ATOH1 is not reported during normal lung development, its expression has been reported in NE lung cancer,69 extrapulmonary high-grade NE cancers,45 MCC,34 medulloblastoma,70,71 and, rarely, in NSCLC72 and colorectal cancer (CRC).31 Here, ATOH1 is linked to colorectal cancer.