Clinical utility of tumor marker cutoff ratio and a combination scoring system of preoperative carcinoembryonic antigen carbohydrate antigen 19-9 carbohydrate antigen 72-4 levels in gastric cancer

摘要

PurposeThe present study is to investigate the clinical utility of tumor marker cutoff ratio (TMR) and develop a TMR combination scoring system based on preoperative tumor marker (TM) levels to prognosis prediction in gastric cancer.