白色箭头之下可见外周肺动脉上的一个纤维带，是远端肺动脉栓塞栓子机化形成的。注意右边肺动脉内膜上的动脉粥样斑块，表现出栓塞的指征肺动脉高压。
Below the white arrow can be seen a fibrous band in a peripheral pulmonary artery from a remote organized pulmonary thromboembolus. Note that the atheromatous plaques of the pulmonar artery intima at the right are indicative of the effect of such embolization--pulmonary hypertension.
