Benign Sinonasal Soft Tissue Neoplasm

**Semantic type:** Neoplastic Process

**Definition:** A mesenchymal 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:** - Sinonasal Benign Soft Tissue Neoplasm