A miserable child with an abdominal mass--and more.
D000008:Abdominal Neoplasms / Q000175:diagnosis*; D002675:Child, Preschool; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D011705:Pyelonephritis, Xanthogranulomatous / Q000175:diagnosis*; D014463:Ultrasonography