Fig. 2From: A detailed statistical analysis of the performance of CO-RADS and CT-severity score in the diagnosis of COVID-19 pneumonia compared to RT-PCR test: a prospective cohort studyAxial unenhanced CT scan of the thorax of a 71-year-old male, with negative RT-PCR test for COVID-19 pneumonia. The patient presented with tirdness, loss of appetite, cough and dyspnea for 5 days. The CT scan was normal in accordance with CO-RADS 1Back to article page