[Clinical significance of pneumomediastinography in thymic surgery].
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008067:Lipoma / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D009157:Myasthenia Gravis / Q000150:complications / Q000000981:diagnostic imaging*; D011012:Pneumomediastinum, Diagnostic; D011859:Radiography; D013724:Teratoma / Q000000981:diagnostic imaging*; D013945:Thymoma / Q000150:complications / Q000000981:diagnostic imaging*; D013953:Thymus Neoplasms / Q000150:complications / Q000000981:diagnostic imaging*