title: Primary mediastinal tumors.
mesh_terms: D001984:Bronchial Neoplasms / Q000453:epidemiology; D002828:Choristoma / Q000453:epidemiology; D006338:Heart Neoplasms / Q000453:epidemiology; D006391:Hemangioma / Q000453:epidemiology; D006801:Humans; D007414:Intestinal Neoplasms / Q000453:epidemiology; D008067:Lipoma / Q000453:epidemiology; D008202:Lymphangioma / Q000453:epidemiology; D008479:Mediastinal Neoplasms / Q000453:epidemiology*; D008637:Mesenchymoma / Q000453:epidemiology; D009232:Myxoma / Q000453:epidemiology; D009380:Neoplasms, Nerve Tissue / Q000453:epidemiology; D010496:Pericardium; D013724:Teratoma / Q000453:epidemiology; D013953:Thymus Neoplasms / Q000453:epidemiology; D013964:Thyroid Neoplasms / Q000453:epidemiology