AFP and neoplasm: The patient’s tumor markers showed no significant abnormalities: alpha-fetoprotein (AFP) = 1.20 ng/ml, carcinoembryonic antigen (CEA) = 0.74 ng/ml, carbohydrate antigen 19-9 (CA 19-9) = 11.4 U/ml, carbohydrate antigen 72-4 (CA 72-4) = 1.00 U/ml, carbohydrate antigen 24-2 (CA 24-2) = 4.51 U/ml, total prostate-specific antigen (tPSA) = 0.518 ng/ml, free prostate-specific antigen (fPSA) = 0.089 ng/ml, and squamous cell carcinoma-associated antigen (SCCA) = 0.64 ng/ml.