X-ray
In the first image, what are the lobular opacifications in the superior mediastinum?
The patient's hair braids.
Mild to moderate diffuse bilateral peri-bronchial thickening may be due to reactive airway disease, or a viral process.
Lobular opacifications in the superior mediastinum are due to patient's hair/braids seen on image #1.
In the subsequent image #2, the hair braids were removed from view.