title: Superior mediastinal syndrome due to a large thymic tumour: a therapeutic challenge.
mesh_terms: D000293:Adolescent; D006801:Humans; D008297:Male; D008477:Mediastinal Diseases / Q000209:etiology / Q000628:therapy*; D013945:Thymoma / Q000150:complications / Q000628:therapy*; D013953:Thymus Neoplasms / Q000150:complications / Q000628:therapy*