Melanotic hamartoma ("retinal anlage tumour") of the epididymis.
D000310:Adrenal Gland Neoplasms / Q000473:pathology; D002675:Child, Preschool; D004822:Epididymis / Q000473:pathology*; D006222:Hamartoma / Q000473:pathology*; D006801:Humans; D008297:Male; D013736:Testicular Neoplasms / Q000473:pathology*