[A neoplasm exhibiting neuroendocrine characteristics, arising from the anus. ( NCI )]
UMLS (NCI) C1332273Anal Neuroendocrine Tumor
Neuroendocrine Neoplasm of Anus
Neuroendocrine Neoplasm of the Anus
Neuroendocrine Tumor of Anus
Neuroendocrine Tumor of the Anus