残气容积（RV）与吸气相中肺野平均肺密度极显著相关（P<0.01），与上、下肺野及全肺则为显著相关（P<0.05）。

RV correlates extremely significantly with the middle lung field on inspiratory HRCT(P<0.01) , significantly with the upper, lower lung field and overall lung(P<0.05).

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目的：探讨胸大肌胸腔内移植治疗全肺切除术后支气管残端瘘的有效性。

Objective: to investigate the efficacy of intrathoracic transposition of pectoralis major muscle for treating bronchial stump fistula after pneumonectomy.

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目的应用16层螺旋CT在肝癌切除手术前、后进行全肝体积、预切除肝体积、残肝体积的测量和计算，探讨16层螺旋CT肝体积测量在肝癌切除术中的应用价值。

Objective: to study liver volume with 16-slices Spiral ct before and after the operation, to estimate the value of the volumetric studies in hepatectomy for hepatocellular carcinoma.

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