the most frequently involved site was the area near the nasal cavity and maxillary sinus for fibrosarcoma ( 66 % ) , the base of tongue for hemangiosarcoma ( 60 % ) , scalp for dermatofibrosarcoma protuberans ( 54 % ) , parapharyngeal space and soft tissue of the neck for neurogenic sarcoma ( 45 % ) .
C0016057
fibrosarcoma
C0206729
neurogenic sarcoma