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  Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China; 2 Health Management Center, Traditional Chinese Medicine Hospital Affiliated to Southwest Medical University, Luzhou 646000, China; 3 Department of Pharmaceutics, School of Pharmacy of Southwest Medical University, Luzhou 646000, China; 4 Department of Radiology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China *Correspondence address. Department of Radiology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China.