作者单位:Department of Pathology, Chonbuk National University, Medical School, San 2-20 Keumam-Dong, Dukjin[1]Department of Preventive Medicine, Chonbuk National University, Medical School, Jeonju, Jeonbuk[2]Department of Thoracic and Cardiovascular Surgery, Chonbuk National University, Medical School[3]