ChinesePLAInstituteofDigestiveDisease;
NanfangHospital;
FirstMilitaryMedicalUniversity;
Guangzhou510515;
GuangdongProvince;
China;
JiangmenBoardofHealth;
JiangmenRedCrossDispensary;
Jiangmen529000;
GuangdongProvince;
China;
OncologyDepartment;
NanfangHospital;
FirstMilitaryMedicalUniversity;
Guangzhou510515;
GuangdongProvince;
China;