Department of Tumor and Diagnostic Pathology;
Nagasaki University Graduate School of Biomedical Sciences;
1-12-4 Sakamoto;
Nagasaki 852-8523;
Japan;
Division of Pathology;
Research Laboratory;
National Ureshino Medical Center;
Saga 843-0301;
Japan;
Department of Digestive Disease;
Affiliated hospital of Beihua University;
Jilin 132011;
Jilin Province;
China;