The most common CT finding in COVID-19 are those ground-glass opacities scattered throughout the lungs.

COVID-19在胸部CT中最主要的表现是散布在全肺的磨玻璃影。

Now, it's worth mentioning that there are some key CT findings that are typically absent in COVID-19.

值得一提的是，在COVID-19中通常没有一些最常见的典型CT表现。

Individuals presenting to hospitals with these chest CT findings may need isolation, and should get thorough confirmatory testing and appropriate treatment.

来院时有这些胸部CT表现的患者可能需要被隔离，并接受进一步全面的检查与相应治疗。

Now, it's worth mentioning that there are some key CT findings that are usually not seen in COVID-19, or at least seen less often.

需要说明的是，在一些COVID-19患者中，通常没有最常见的典型CT表现，至少是相对少见。

Despite its usefulness in the early days of the epidemic in China, chest CT findings are no longer part of the diagnostic criteria for COVID.

尽管胸部CT改变在中国疫情爆发初期的疾病诊断上大有用处，但目前已不再作为COVID-19的诊断标准。

A number of countries have been isolating patients with classic CT findings until laboratory tests help identify the cause of the disease, and then, they can be properly treated.

在许多国家，通过实验室检查明确病因之前，都会隔离这些有典型CT表现的患者，这样可以帮助明确诊断，对其进行相应治疗。

The higher the prevalence is in a given area, the more likely it is that the highly sensitive but nonspecific CT findings represent a true case of COVID-19, that will eventually turn positive on RT-PCR.

所以说，某个区域的患病率越高，真正COVID-19感染患者越可能出现高敏感性但低特异性的CT表现，这些患者的RT-PCR结果将在疾病后期发展转为阳性。