PMC7570769_01
Day 1: The chest radiograph on admission shows no abnormalities.
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A and B by rapid test, respiratory syncytial virus by RT-PCR, and hemoculture were all negative. Chest radiography showed no abnormalities (Figure 1). Azithromycin was given as empirical treatment.
Day 6: The chest radiograph on day 6 of admission shows increased haziness with thickening of lung markings at both the perihilar regions and the lower lung fields.
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Day 14: The chest radiograph on day 14 of admission shows decreased haziness with thickening of the lung marking at both the perihilar regions and the lower lung fields.
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On day 14, his chest radiography showed decreased haziness (Figure 3).