Laryngeal Neuroendocrine Tumor G3

**Semantic type:** Neoplastic Process

**Definition:** A neuroendocrine neoplasm that arises from the larynx. The mitotic count is more than 10 per 2 mm2, the Ki-67 index is more than 20%, and there is absence of small cell neuroendocrine carcinoma and large cell neuroendocrine carcinoma cytomorphological features.