Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac and mediastinal contours are normal with the heart size within normal limits . Volume loss within the right upper lobe with slight elevation of the minor fissure and persistent but somewhat improved linear appearing opacification in the right upper lobe are noted , suggestive of improving infection . Left lung is clear . Pulmonary vasculature is not engorged and the hilar contours are unremarkable . No pleural effusion or pneumothorax is identified . There are no acute osseous abnormalities .
    OUTPUT:
    
Persistent volume loss in the right upper lobe with slightly decreased right upper lobe opacity suggestive of improving infection . No new focal consolidation identified .