Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes , which results in bronchovascular crowding . Again seen is markedly asymmetrical elevation of the right hemidiaphragm , with loops of gas - filled bowel beneath the right hemidiaphragm . Opacity of the right hemithorax is consistent with collapse of the right middle lobe and right lower lobe seen on CT of the torso performed after this study . The heart is enlarged . Pacemaker device is present , with leads ending in the right atrium and right ventricle .
    OUTPUT:
    
Low lung volumes with collapse of the right middle lobe and right lower lobe . These findings are better assessed on CT of the torso performed after this study .