AFP and neoplasm: Tumor markers measured after the removal of the affected gonad with the cancer showed a slightly elevated level of AFP 15–19 μg/L (normal < 10–15 μg/L), normal levels of β-HCG < 0.5 IU/L (normal < 0.5 IU/L), and LDH 152–314 U/L (normal < 450 U/L).