label: Anal Canal Neuroendocrine Neoplasm
label_lc: anal canal neuroendocrine neoplasm
description: "A neoplasm with neuroendocrine differentiation that arises from the anal canal.  It includes neuroendocrine tumors (well-differentiated neuroendocrine neoplasms) and neuroendocrine carcinomas (poorly differentiated neuroendocrine neoplasms)."