左胸切口主动脉弓下吻合，手术简便安全并发症最少。
The operation of inosculation under the aorta of left chest notches is also simple and safe with the fewest complications.
结果：以左肺动脉受肿块压迫的表现，间接提示左喉返神经压迫征，分别来自主动脉弓下肿大淋巴结3例；
Result: Ultrasonic indirect sign of left larynx return nerve constricted must be depend on sign of left pulmonary constricted by lymph node mass from below aortic arch 3 cases;
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