Department of Oncology, The Affiliated Hospital of Southwest Medical University, 25 TAIPING Street, Luzhou City, 646000, Sichuan Province, China. Department of Ophthalmology, The Affiliated Hospital of Southwest Medical University, 25 TAIPING Street, Luzhou City, 646000, Sichuan Province, China. Clinical Medical College, Southwest Medical University, Luzhou, 646000, China. Clinical Research Institute, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, China. hktongji@swmu.edu.cn. Department of Oncology, The Affiliated Hospital of Southwest Medical University, 25 TAIPING Street, Luzhou City, 646000, Sichuan Province, China. hanyunwei@swmu.edu.cn.