<prompt> Tumor marker for seminoma testis isAlfa - fetoproteinCarcinoembryonic antigensAlpha HCGLactate dehydrogenase  <response>: Ans. d Lactate DehydrogenaseRef Surgery Sixer 3rd Edition Page 795Tumor markers in testicular cancers: Beta HCG - Concentration is increased in Both Seminoma and Non Seminoma. AFP - Concentration is increased in only non seminoma. LDH - It is increased in both seminoma and non seminoma, but not specific. 