Intrathoracic cystic hygromas.
D000328:Adult; D000368:Aged; D006801:Humans; D008202:Lymphangioma / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery; D008297:Male; D008479:Mediastinal Neoplasms / Q000175:diagnosis / Q000473:pathology; D008875:Middle Aged; D011859:Radiography; D013899:Thoracic Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology