Mediastinal disease: intricacies of diagnosis.
D000790:Angiocardiography; D001706:Biopsy; D004724:Endoscopy; D006801:Humans; D007223:Infant; D008477:Mediastinal Diseases / Q000175:diagnosis*; D008479:Mediastinal Neoplasms / Q000175:diagnosis*; D011012:Pneumomediastinum, Diagnostic; D011877:Radionuclide Imaging