This is coronary thrombosis, one of the complications of atherosclerosis. The dark red thrombus is seen in the anterior descending coronary artery.

• 冠状动脉粥样硬化形成血栓,是动脉粥样硬化的另一个复合病变。可见冠状动脉前降支有暗红色的血栓形成。