Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs again demonstrate increased interstitial opacities bilaterally , predominantly at the bases , indicative of chronic lung disease . No focal consolidation to suggest pneumonia . Heart size is mildly enlarged but stable . No pleural effusion or pneumothorax . Chronic right - sided rib deformities are again seen .
    OUTPUT:
    
No evidence of pneumonia or heart failure . Chronic lung disease .