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A 66-year-old female patient with Coronavirus disease (COVID-19) pneumonia. (A) CT images obtained on day 4 after onset of the disease show scattered patchy ground glass opacities in both lungs, which are distributed peripherally. (B) CT images obtained on day 12 after the onset of the disease show the progression of the disease, with the number, range and densities of the lesions in both lungs increased.
