title: Mediastinal masses.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D005260:Female; D006689:Hodgkin Disease / Q000175:diagnosis; D006801:Humans; D008223:Lymphoma / Q000175:diagnosis; D008297:Male; D008476:Mediastinal Cyst / Q000175:diagnosis* / Q000000981:diagnostic imaging; D008479:Mediastinal Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D008875:Middle Aged; D009372:Neoplasms, Connective Tissue / Q000175:diagnosis; D009373:Neoplasms, Germ Cell and Embryonal / Q000175:diagnosis; D009379:Neoplasms, Muscle Tissue / Q000175:diagnosis; D009380:Neoplasms, Nerve Tissue / Q000175:diagnosis; D009384:Paraneoplastic Endocrine Syndromes / Q000175:diagnosis; D013945:Thymoma / Q000175:diagnosis; D013953:Thymus Neoplasms / Q000175:diagnosis; D013964:Thyroid Neoplasms / Q000175:diagnosis; D014057:Tomography, X-Ray Computed