CEACAM5 and squamous cell carcinoma: Blood chemistry revealed the following: white blood cell (WBC) count of 51.9 × 104/μL, hemoglobin (Hb) of 14.9 g/dL, platelet (Plt) count of 16.3 × 104/μL, creatine kinase (CK) of 81 U/L, creatine kinase-MB (CKMB) of 8 ng/mL, lactate dehydrogenase (LDH) of 161 U/L, C-reactive protein (CRP) of 0.10 mg/dL, carcinoembryonic antigen (CEA) of 0.7 ng/mL, prostate-specific antigen (PSA) of 1.2 ng/mL, squamous cell carcinoma (SCC) antigen of 1.2 ng/mL, and soluble IL-2 receptor: 633 U/mL.