The renal pelvis--tense past or present?
D004108:Dilatation, Pathologic / Q000000981:diagnostic imaging / Q000209:etiology; D006801:Humans; D006869:Hydronephrosis / Q000000981:diagnostic imaging* / Q000209:etiology; D007682:Kidney Pelvis / Q000000981:diagnostic imaging*; D011859:Radiography; D014517:Ureteral Obstruction / Q000150:complications / Q000000981:diagnostic imaging*