Tumor marker testing yielded the following results: NSE 19.90 (0–16.3) ng/ml, CF21-1 4.52 (0–3.3 ng/mL), AFP 6.5 (0–7 ng/mL), CEA 3.73 (0–6.5 ng/mL), Ferritin 136.00 (30–400 ng/mL), carbohydrate antigen CA199 2.75 (0–27 U/mL), CA50 0.50 (0–25 IU/mL). This evidence concerns the gene ENO2 and neoplasm.