title: Testicular seminoma with contralateral malignant teratoma.
mesh_terms: D000328:Adult; D003884:Dermoid Cyst / Q000473:pathology*; D004407:Dysgerminoma / Q000473:pathology*; D006801:Humans; D008175:Lung Neoplasms / Q000556:secondary; D008297:Male; D009378:Neoplasms, Multiple Primary / Q000473:pathology*; D013736:Testicular Neoplasms / Q000473:pathology*