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Department of Radiology, Putian First Hospital of Fujian Province, Putian, China; Department of Radiology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China; Department of Radiology, Fujian Cancer Hospital, Fuzhou, China Contributions: (I) Conception and design: Z Lu, S Wu, Y Li; (II) Administrative support: Y Li, S Wu; (III) Provision of study materials or patients: S Wu, Z Lu; (IV) Collection and assembly of data: Z Lu, C Yan, J Chen; (V) Data analysis and interpretation: S Wu, J Chen; (VI) Manuscript writing: All authors; (VII) Final approval of manuscript: All authors. These authors contributed equally to this work. Correspondence to: Yueming Li, MD. Department of Radiology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350005, China. Email: [email protected].