Sinonasal Poorly Differentiated Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** A poorly differentiated carcinoma that arises from the nasal cavity and/or paranasal sinuses.

**Synonyms:** - Nasal Cavity and Paranasal Sinus Poorly Differentiated Carcinoma - Nasal Cavity and Paranasal Sinus Poorly Differentiated Carcinoma - Poorly Differentiated Carcinoma of the Nasal Cavity and/or Paranasal Sinuses