Table 2 The typical features on CT imaging of COVID-19 Parameter Characteristic manifestations on CT imaging Density Ground glass opacity and consolidation, possible interlobular septal thickening Shape Patchy, sub-segmental, or segmental Distribution Mid and lower lungs along the bronchovascular bundles with bilateral involvement Location Peripheral and subpleural areas of the lung parenchyma Concomitant signs (variable) Air bronchogram, a small amount of pleural effusion, no obvious lymphadenopathy