NCIt synonyms : Low Grade Sarcoma of the Paranasal Sinus; Low Grade Sarcoma of the Accessory Sinus; Low Grade Sarcoma of Paranasal Sinus; Low Grade Sarcoma of Accessory Sinus; Low Grade Accessory Sinus Sarcoma;
NCIt definition : A malignant soft tissue neoplasm that arises from the paranasal sinus. It is characterized
by the presence of low-grade histologic features.;