Department of General Surgery,The Second Hospital of Jilin University,Changchun 130041,Jilin Province,China;
Department of Pathology,The Second Hospital of Jilin University,Changchun 130041,Jilin Province,China;
Department of Central Laboratory,The Second Hospital of Jilin University,Changchun 130041,Jilin Province,China;
Mesenchymal; stem; cells; Gastrointestinal; malignancies; Gastric; cancer; Hepatoma; Pancreatic; cancer; Colorectal; cancer;