Figure 1.

Left panel: Cadaver carotid artery. Type III AHA. Preatheroma with extracellular lipid pools (blue area in the center). Mid panel: Type IV AHA. Atheroma with confluent extracellular lipid core (pink area in the center). Right panel: Type V AHA. Fibroatheroma (clearer pink area – atheroma – surrounded by darker pink area – fibrosis).