[Pneumomediastinum of mediastinal tumors].
D000293:Adolescent; D000328:Adult; D003884:Dermoid Cyst / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D008297:Male; D008479:Mediastinal Neoplasms / Q000000981:diagnostic imaging*; D008875:Middle Aged; D011012:Pneumomediastinum, Diagnostic / Q000009:adverse effects; D011859:Radiography; D013945:Thymoma / Q000000981:diagnostic imaging; D013953:Thymus Neoplasms / Q000000981:diagnostic imaging