Department of Medical Genetics;
Medical School;
Nanjing University;
Nanjing 210093;
Jiangsu Province;
China;
Jiangsu Key Laboratory of Molecular MedicineNanjing 210093;
Jiangsu Province;
China;
Department of Pathology;
Drum Tower Hos-pital Affiliated to Medical School;
Nanjing University;
Nanjing210093;
Jiangsu Province;
China;
Departmem of Pathology;
Lujiang Hos-pital;
Lujiang;
Chaohu 231500;
Anhui Province;
China;
Gastric; cancer; Germline; promoter; methylation; MLH1; CDH1; P16INK4a;