title: The diagnosis of tumor in the renal pelvis.
mesh_terms: D000792:Angiography; D003287:Contrast Media; D006801:Humans; D007680:Kidney Neoplasms / Q000000981:diagnostic imaging*; D007682:Kidney Pelvis / Q000000981:diagnostic imaging*; D008722:Methods; D010100:Oxygen; D012077:Renal Artery / Q000000981:diagnostic imaging; D014054:Tomography; D014567:Urography
chemical_list: D003287:Contrast Media; D010100:Oxygen