OBSTRUCTION OF THE LOWER URETER BY ABERRANT BLOOD VESSELS.
D001808:Blood Vessels; D002648:Child; D006801:Humans; D006869:Hydronephrosis; D007223:Infant; D013514:Surgical Procedures, Operative; D014513:Ureter; D014517:Ureteral Obstruction; D014567:Urography
BLOOD VESSELS; CHILD; HYDRONEPHROSIS; INFANT; SURGERY, OPERATIVE; URETERAL OBSTRUCTION; UROGRAPHY