Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Focal consolidation is seen probably in the left lower lobe . Multiple bilateral patchy opacities could also more generally represent superinfection in this patient with known bronchiectasis at the bases , left greater than right . No pneumothorax is seen . A trace left pleural effusion may be present . The heart size is normal .
    OUTPUT:
    
Increasing bibasilar opacification particularly in the left lower lobe worrisome for pneumonia superimposed on background findings of bronchiectasis and scarring .