Benign Sinonasal Neoplasm

**Semantic type:** Neoplastic Process

**Definition:** A neoplasm that arises from the nasal cavity and paranasal sinuses and is characterized by the absence of atypical or malignant cytological and architectural features, and absence of invasive features or metastatic potential.

**Synonyms:** - Benign Nasal Cavity and Paranasal Sinus Neoplasm