The remaining laboratory parameters, including coagulation studies (prothrombin time (PT), activated partial thromboplastin time (aPTT)), tumor markers (carcinoembryonic antigen (CEA), alpha-fetoprotein (AFP), CA 15.3, CA 125, CA 19.9), thyroid function, and autoantibodies, were within normal limits. Here, CEACAM5 is linked to neoplasm.