Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to prior radiograph , the lungs are hyperinflated . There has been improvement of the left lower lobe opacity , and while residual or new pneumonia may be present , evaluation is difficult due to severe underlying bronchiectasis . The right lower lobe opacity may have been present on prior exam . Aortic stenosis is severe on prior CT . The heart size is top - normal . Mediastinal and hilar contours are normal . No pleural abnormality is seen . Dual - chamber left - sided pacer is seen . Aortic knob calcification is unchanged .
    OUTPUT:
    
Residual bilateral lower lobe opacities . Acute changes affecting the area is difficult to evaluate due to severe chronic basal bronchiectasis . Evaluation of resolution or residual bilateral basal cavitary pneumonia seen on prior CT abdomen pelvis can be followed up with dedicated chest CT .