DepartmentofRadiology;
theThirdAffiliatedHospital;
SunYat-SenUniversity;
Guangzhou510630;
GuangdongProvince;
China;
EndoscopyCenter;
ZhongshanHospital;
FudanUniversityMedicalSchool;
Shanghai200032;
China;
DepartmentofRadiology;
ZhongshanHospital;
FudanUniversityMedicalSchool;
Shanghai200032;
China;