Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are hyperexpanded consistent with chronic lung disease . Right basilar linear opacities are much less prominent on the current exam . There is no new opacity or consolidation elsewhere . There is no pleural effusion or pneumothorax . The heart size is unchanged . Two leads follow a normal course from the left - sided battery pack terminating in the expected region of the right atrium and right ventricle . There is tortuosity of the descending aorta , but the mediastinal silhouette is otherwise unremarkable . Hilar contours and pulmonary vasculature are normal .
    OUTPUT:
    
Marked improvement in right basilar opacities compared to ___ .