label: Appendix Mixed Adenoneuroendocrine Carcinoma
label_lc: appendix mixed adenoneuroendocrine carcinoma
description: "A carcinoma that arises from the appendix.  It is characterized by the presence of a malignant glandular epithelial component and a malignant neuroendocrine component.  At least 30 percent of either component should be present for the diagnosis to be made."