Congenital mesoblastic nephroma.
D003937:Diagnosis, Differential; D006801:Humans; D007231:Infant, Newborn; D007680:Kidney Neoplasms / Q000151:congenital* / Q000175:diagnosis / Q000628:therapy; D008297:Male; D009396:Wilms Tumor / Q000151:congenital* / Q000175:diagnosis / Q000628:therapy