title: Malignant chemodectoma of the superior mediastinum with elevated urinary homovanillic acid.
mesh_terms: D000328:Adult; D003404:Creatinine / Q000652:urine; D004837:Epinephrine / Q000652:urine; D006719:Homovanillic Acid / Q000652:urine; D006801:Humans; D008297:Male; D008479:Mediastinal Neoplasms / Q000652:urine*; D008738:Methyl Ethers / Q000652:urine; D009647:Normetanephrine / Q000652:urine; D010236:Paraganglioma, Extra-Adrenal / Q000652:urine*; D014642:Vanilmandelic Acid / Q000652:urine
chemical_list: D008738:Methyl Ethers; D009647:Normetanephrine; D014642:Vanilmandelic Acid; D003404:Creatinine; D006719:Homovanillic Acid; D004837:Epinephrine