YANG Shu-gen1, OU Guang-qian2, CHEN Dong1, HAN Fu-gang1, TANG Guang-cai1
1. Medical Imaging Center, the Affiliated Hospital of Luzhou Medical College, Luzhou Sichuan 646000, China;2. CT Room, the Traditional Chinese Medicine Hospital Attached to Luzhou Medical College, Luzhou Sichuan 646000, China