Erythropoietin-producing Wilms' tumor.
D004921:Erythropoietin / Q000096:biosynthesis*; D006801:Humans; D007223:Infant; D008297:Male; D011086:Polycythemia / Q000209:etiology*; D009396:Wilms Tumor / Q000601:surgery*
D004921:Erythropoietin