title: Extramedullary plasmacytoma IgG type I presenting as mediastinal syndrome.
mesh_terms: D000293:Adolescent; D006801:Humans; D007074:Immunoglobulin G; D008198:Lymph Nodes; D008297:Male; D008479:Mediastinal Neoplasms / Q000150:complications*; D009333:Neck; D010954:Plasmacytoma / Q000150:complications*; D010996:Pleural Effusion / Q000209:etiology*; D012878:Skin Neoplasms / Q000150:complications*; D013577:Syndrome
chemical_list: D007074:Immunoglobulin G