Pyriform Fossa Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** A carcinoma that arises from the pyriform sinus. Patients usually present with advanced stage disease and the prognosis is poor.

**Synonyms:** - Carcinoma of Pyriform Fossa - Carcinoma of Pyriform Sinus - Carcinoma of the Pyriform Fossa - Carcinoma of the Pyriform Sinus - Pyriform Fossa Throat Cancer - Pyriform Sinus Carcinoma