Ewing's sarcoma with involvement of the head and neck.
D002675:Child, Preschool; D005266:Femoral Neoplasms / Q000473:pathology; D006258:Head and Neck Neoplasms / Q000473:pathology; D006801:Humans; D008297:Male; D008339:Mandibular Neoplasms / Q000473:pathology*; D009362:Neoplasm Metastasis; D009918:Orbital Neoplasms / Q000473:pathology*; D012512:Sarcoma, Ewing / Q000473:pathology*