title: Transbronchial needle aspiration of a mediastinal mass: therapeutic implications.
mesh_terms: D000368:Aged; D001707:Biopsy, Needle; D001999:Bronchoscopy; D004322:Drainage / Q000379:methods; D006801:Humans; D008297:Male; D008477:Mediastinal Diseases / Q000175:diagnosis / Q000628:therapy*