A 53-year-old woman with a history of allergies and asthma comes to your office complaining of a chronic cough of approximately 3 months duration.
In the last few weeks, she has felt progressively ill and has had increased sputum production and occasional fevers in the evening. Chest radiographs reveal nodularity in the lungs. Magnified images of the abnormalities demonstrate a nodular tree-in-bud appearance with regions of “tram-tracking.”
Which diagnosis best fits with the chest radiographic pattern?