Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided pacer device is stable in position . The patient is status post median sternotomy and CABG . Again , there is diffuse increase in interstitial markings bilaterally consistent with chronic lung disease , which is stable to possibly minimally progressed as compared to the prior study . Basilar atelectasis / scarring is also seen . No definite focal consolidation . The cardiac and mediastinal silhouettes are stable . No pleural effusion or pneumothorax .
    OUTPUT:
    
Chronic fibrotic interstitial lung disease , stable to possibly minimally progressed .