We report a case of a 48-year-old man who developed metastatic angiosarcoma in her left orbit. A 48-year-old man was first sent to us for a check up of proptosis of the left eye. A left orbital tumor was recognized on orbital computed tomography scans. The open biopsy showed angiosarcoma. Chest X-ray films and thoracic computed tomography showed an abnormal mass in the left inferior lung field. Angiosarcoma was confirmed by transbronchial lung biopsy. In summary, we believed that the orbital tumour was an initial symptom of the metastasis ensuing from the lung angiosarcoma.
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