Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is persistent small - to - moderate left pleural effusion with overlying atelectasis . The lungs are hyperinflated , with flattening of the hemidiaphragm , which may be due to chronic obstructive pulmonary disease . Evidence of bronchiectasis is again seen in the right infrahilar and possibly in the right upper lobe .
    OUTPUT:
    
1 . Persistent small - to - moderate left pleural effusion with overlying atelectasis , underlying consolidation can not be excluded . The effusion may be slightly decreased since the prior study . 2 . Bronchiectatic changes , particularly in the right lung . 3 . Hyperinflated lungs may be due to chronic obstructive pulmonary disease .