MRI in showing lung door and mediastinum lymph gland has important value to shift, which has important direct significance in diagnosing lung cancer by stages and operation.

MRI在显示肺门及纵隔淋巴结转移具有重要的价值，对肺癌的分期及外科手术具有重要的指导意义。

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Methods Adopt selective embolism and chemotherapy in internal iliac artery to 42 gynecologic malignancy patients, and clinically observe the improvement by stages and surgical rate after operation.

方法对42例妇科恶性肿瘤患者采用选择性髂内动脉插管栓塞化疗，术后观察临床分期改善情况及手术率。

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At the earlier stages, the vehicles were controlled by hard track lines without any network operation.

早期的城市轨道交通车辆一般由硬线控制，没有网络或者网络不参与控制。

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The undertaking, named "Operation McCall" by Pentagon officials, was in the planning stages for months and was completed Saturday after the material had been in transit for weeks, according to Whitman.

CNN: 500 tons of uranium shipped from Iraq, Pentagon says