Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . There is continued elevation of the left hemidiaphragm which is unchanged since the prior study . The previously seen interstitial markings in the right lower lung persist , and are consistent with fibrosis . There is no evidence of pleural effusion , pneumothorax or focal pneumonia .
    OUTPUT:
    
No acute cardiopulmonary disease . No significant change since the prior study .