Ureteral Diseases [Disease/Finding] Ureteral Obstruction [Disease/Finding] C0041956 Blockage in any part of the URETER causing obstruction of urine flow from the kidney to the URINARY BLADDER. The obstruction may be congenital, acquired, unilateral, bilateral, complete, partial, acute, or chronic. Depending on the degree and duration of the obstruction, clinical features vary greatly such as HYDRONEPHROSIS and obstructive nephropathy. C6318 20018005 Ureteral Obstruction D014517 N0000003070 1023031 Ureteral Obstruction M0022327