1. Department of Pathology, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, Zhejiang 312000, P.R. China
2. Department of Radiology, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, Zhejiang 312000, P.R. China
3. Department of Pathology, Fujian Provincial Cancer Hospital, Fujian Medical University Cancer Hospital, Fuzhou, Fujian 350014, P.R. China
4. Department of Pathology, Zhoushan Hospital of Zhejiang Province, Zhoushan, Zhejiang 316021, P.R. China