Pyriform Fossa Neoplasm

**Semantic type:** Neoplastic Process

**Definition:** A benign or malignant neoplasm that affects the pyriform sinus.

**Synonyms:** - Neoplasm of Pyriform Fossa - Neoplasm of Pyriform Sinus - Neoplasm of the Pyriform Fossa - Neoplasm of the Pyriform Sinus - Pyriform Fossa Tumor - Pyriform Sinus Neoplasm - Pyriform Sinus Tumor - Tumor of Pyriform Fossa - Tumor of Pyriform Sinus - Tumor of the Pyriform Fossa - Tumor of the Pyriform Sinus