Fig. 20
From: Chest X-ray findings monitoring COVID-19 disease course and severity
59-year female with positive COVID-19 virus. Initial X-ray (a) showed small peripheral right and left lower zonal air space consolidation opacities (arrows) with TSS as 2. On the 3rd day (b), air space consolidation opacities significantly increased extending to the upper and middle zones of both lungs (arrows) with TSS as 6 (3 on each side). The patient deteriorated and was intubated. On the 5th day (c), 7th day (d), 9th day (e), and 11th day (f), there was confluent bilateral air space consolidation opacities (arrows) with the severity score 4 on each side, so TSS was 8. The patient died on the 13th day