MEDIASTINOSCOPY, A USEFUL TECHNIQUE FOR UNDIAGNOSED PARAHILAR LESIONS.
D000293:Adolescent; D001706:Biopsy; D003933:Diagnosis; D004724:Endoscopy; D006801:Humans; D008481:Mediastinoscopy; D008482:Mediastinum; D013902:Radiography, Thoracic; D012507:Sarcoidosis; D014376:Tuberculosis; D014397:Tuberculosis, Pulmonary
ADOLESCENCE; BIOPSY; DIAGNOSIS; ENDOSCOPY; MEDIASTINUM; SARCOIDOSIS; THORACIC RADIOGRAPHY; TUBERCULOSIS, PULMONARY