Tianjin Hospital of Integrated Traditional Chinese and Western Medicine;
Tianjin 300100;
China;
Department of Medical Oncology;
Tianjin Medical University General Hospital;
Tianjin 300052;
China;
Tianjin Cancer Hospital Airport Hospital;
Tianjin 300308;
China;
Tianjin Jingui Linglan Science and Technology Ltd.Tianjin 300000;
China;
Tianjin Medical University;
Tianjin 300384;
China;
Colorectal cancer; Tongue coating thickness; Prognosis; EGF; lactic dehydrogenase; Diagnostic markers;