Fig 5. Patient 19, a 60-year-old man with a recent history of left cerebral infarction. Left, Left carotid artery angiogram (anteroposterior view) revealing severe stenosis with irregular plaque surface. Center, Angiogram just after CAS showing residual stenosis and diffuse peristent ulceration because of high-grade calcification of the plaque. Right, Peristent ulceration improved after 5 months.