KRT19 and neoplasm: Tumor biomarkers were elevated, with cancer antigen 125 (CA-125) at 22.80 U/mL (reference range, 0–16.0 U/mL), cancer antigen 19-9 (CA19-9) at 41.46 U/mL (reference range, 0–34.0 U/mL), squamous cell carcinoma antigen (SCC) at 4.60 ng/mL (reference range, 0–1.50 ng/mL), and cytokeratin 19 fragment at 5.92 ng/mL (reference range, 0–2.08 ng/mL).