Fig. 2

Three different patients with positive COVID-19. a 39-year female was complaining of SOB with tachypnea, fever, and cough. She had previous open cardiac surgery with valve replacement. She was intubated due to hypoxemia. Chest X-ray showed right perihilar air space consolidation opacity extending to the right paracardiac region (long arrows). Another left lower zonal air space consolidation opacity was seen (short arrow); the severity score was 2 for the right lung and 1 for the left lung, so TSS was 3. b 44-year female was complaining of fever. Initial chest X-ray showed left perihilar air space consolidation opacity (arrow). The total severity score was 1. c 35-year male was complaining of cough and fever. Initial chest X-ray showed right perihilar air space consolidation opacity (short arrow). Other left lower zonal air space consolidation opacities are seen (long arrows) with reticular thickening; the severity score was 1 for each lung, so TSS was 2