穿过肺动脉分支的结缔组织纤维带显示远端肺栓塞栓子的结构。如果此过程累及许多肺动脉，就可能导致肺动脉高压。
The fibrous bands of connective tissue across this branch of pulmonary artery indicate organization of a remote pulmonary thromboembolus. If many pulmonary arteries are involved by this process, pulmonary hypertension could result.
