Fig. 1From: Semi-quantitative CT imaging in improving visualization of faint ground glass opacities seen in early/mild coronavirus (covid-19) casesA male patient 32Â years old, presented with mild dyspnea and COVID-19 positive PCR. MDCT was done with color coded images, MDCT showed right upper lobe tiny ground glass pulmonary nodule (2Â mm) which was confirmed in color coded image (as a green nodule whose HU above -750 HU and normal lung appear blue color -750 to -950 HU)Back to article page