Infantile hydronephrosis due to cogenital urethral valves.
D002648:Child; D006801:Humans; D006869:Hydronephrosis; D007223:Infant; D008297:Male; D014521:Urethra / Q000002:abnormalities*; D014522:Urethral Diseases
HYDRONEPHROSIS/in infancy and childhood; URETHRA/abnormalities