Guangzhou University of Chinese Medicine;
Guangzhou 510405;
China;
The First Affiliated Hospital of Hunan University of Chinese Medicine;
Changsha 410007;
China;
Zhuzhou Hospital of Traditional Chinese Medicine;
Zhuzhou 412008;
China;
Gastric cancer; Gastric precancerous lesions; Integrated bioinformatics analysis; Pathways; Key genes; Differentially expressed genes;