title: Ultrasonically guided percutaneous mediastinal cytology and biopsy.
mesh_terms: D000293:Adolescent; D000328:Adult; D001707:Biopsy, Needle; D005260:Female; D006801:Humans; D008297:Male; D008479:Mediastinal Neoplasms / Q000175:diagnosis / Q000473:pathology*; D008482:Mediastinum / Q000473:pathology; D008875:Middle Aged; D014463:Ultrasonography