Aim To study the distribution,correlation and its significance of CD68-positive macrophages with the coronary atherosclerotic lesion types and luminal stenosis in human coronary atherosclerotic lesions. Methods 312 of coronary artery tissue samples were selected in 53 caes of autopsy.Coronary atherosclerotic lesion and its types were diagnosed by light microscope,and in coronary atherosclerotic lesions,CD68-positive macrophages were counted by using immunohistochemistry,and the degree of lumen stenosis,area...