可见剖开的肺动脉主干和左肺动脉右肺动脉内有一个大的鞍状的肺血栓栓子。
The main pulmonary trunk and pulmonary arteries to right and left lungs are seen here opened to reveal a large "saddle" pulmonary thromboembolus.
肺动脉主干内的血栓栓子近距离外观显示分层结构，这是骨盆或下肢大静脉血栓的特征表现。
A closer view of a thromboembolus filling a main pulmonary artery reveals a layered appearance, typical of a thrombus that formed in a large vein of the pelvis or lower extremity.
结果肺血栓栓塞症临床表现多样化，超声心动图直接依据是肺动脉主干及左右分支内血栓回声；
Results The direct signs of PTE in echocardiography were the thrombus echo in the main pulmonary artery and the right and left branches of pulmonary artery.
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