Estimating the volume of pleural effusion usually depends on imaging methods. When estimating the size of pleural effusions, chest radiograph or ultrasound are usually used.
胸腔积液量的计算通常需要依赖影像学方法,常采用的影像学手段是普通X线及超声检查。
参考来源 - 胸部CT联合计算机辅助设计技术对胸腔积液定量研究的初步应用·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
N an image produced on a specially sensitized photographic film or plate by radiation, usually by X-rays or gamma rays 射线照片 (Also called radiogram, shadowgraph)
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