Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left upper lobe appears to be better aerated compared to the prior study and right lower lobe is marginally better as well . However , there is not much change in the right upper lobe opacity . There are no other significant cardiomediastinal changes . Again noted are calcifications within the aorta as well as moderate cardiomegaly with tortuosity of the thoracic aorta . No larger pleural effusions and no pneumothorax .
    OUTPUT:
    
Better aeration within the left upper lobe and right lower lobe with no significant change in the right upper lobe opacity .