Materials and Methods:21 cases of pulmonary lymphoma, confirmed by lung histologic biopsy or clinical diagnosis with superficial lymph node biopsy.

材料与方法：21例肺淋巴瘤均经肺或浅表淋巴结穿刺活检或手术证实。

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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;

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；

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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;

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；

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