Orbital endothelioma.
D002277:Carcinoma / Q000175:diagnosis; D002648:Child; D003937:Diagnosis, Differential; D005354:Fibrosarcoma / Q000175:diagnosis; D006801:Humans; D008297:Male; D008654:Mesothelioma / Q000473:pathology*; D009918:Orbital Neoplasms / Q000473:pathology*