Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Subpleural reticulation is again noted compatible with interstitial pulmonary fibrosis . There is no superimposed consolidation , effusion , or pneumothorax . No signs of CHF . Cardiomediastinal contours appear normal . Bony structures are intact .
    OUTPUT:
    
Chronic changes related to pulmonary fibrosis without superimposed pathology .