The patient is rotated to the right which accounts for the differential translucency of the hemithoraces. There is perihilar, peribronchial thickening consistent with airway inflammation. This can be seen in the setting of bronchiolitis.
There is callous formation in the left 4th to 7th ribs anterolaterally in keeping with healing fractures. Irregularity of the left 5th and 6th ribs anterolaterally concerning for further acute/subacute fractures.