DepartmentofRadiology,ChangzhengHospitaloftheSecondMilitaryMedicalUniversity,Shanghai200433,China;
DepartmentofRadiology,The3rdAffiliatedHospitalofSunYat-SenUniversity,Guangzhou510630,GuangdongProvince,China;
DepartmentofRadiology,ChangzhengHospitaloftheSecondMilitaryMedicalUniversity,Shanghai200433,China;