Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomegaly unchanged . Unfolding of the thoracic aorta . Atherosclerotic changes . Airspace consolidation in the right upper lung zone shows mild interval improvement . The airspace consolidation previously noted in the right lower lobe shows moderate improvement and so does the left retrocardiac consolidation . Mild elevation of the left hemidiaphragm . Small left - sided effusion .
    OUTPUT:
    
Mild to moderate improvement in the multi lobar airspace consolidation .