正位胸片示两肺无数多发小结节，分布均匀。
Chest PA shows innumerable multiple tiny nodules uniformly distributed throughout both lungs.
常规摄取标准正位及左侧位胸片，测量胸腔前后径及横径，计算胸腔前后径与横径之比率。
The standard P-A and left lateral chest film were taken and the A-P diameter and transverse diameter of the chest were measured, and the ratio between the both was calculated.
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