Malignant mesenchymal tumours of the oral cavity.
D005260:Female; D005354:Fibrosarcoma / Q000473:pathology; D006393:Hemangiopericytoma / Q000473:pathology; D006801:Humans; D008297:Male; D008637:Mesenchymoma / Q000473:pathology*; D009062:Mouth Neoplasms / Q000473:pathology*; D012208:Rhabdomyosarcoma / Q000473:pathology