Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs demonstrate hyperinflated lungs with flattening of bilateral diaphragms consistent with patient 's history of COPD . Mildly increased heart size , interstitial edema and small bilateral pleural effusions , consistent with congestive heart failure . Nonspecific apical scarring bilaterally similar prior examinations . No focal consolidation or pneumothorax .
    OUTPUT:
    
Mildly enlarged heart with interstitial edema and small bilateral pleural effusions consistent with CHF .