Figure 3. Chest CT Showing the Temporal Stages of COVID-19 Infection (Findings Indicated by Red Frame)
A: Early phase (days 0–4)-small peripheral ground-glass opacity (GGO). B: Intermediate stage (days 5–8)-increased number of peripheral GGOs, and creation of “crazy paving pattern.” C: Intermediate stage (days 9–13)-consolidations with air bronchogram. D: Late phase, recovery (day 14 and onwards)-resolution of consolidation, appearance of peripheral fibrous linear stripes.