Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Dual lead right chest wall pacing device seen with lead tips at the right ventricular apex and right atrium . The lungs are clear of confluent consolidation or effusion . There is however increased interstitial markings throughout the lungs . The cardiac silhouette is mildly enlarged . Atherosclerotic calcifications seen at the aortic arch and descending thoracic aorta .
    OUTPUT:
    
Increased interstitial markings suggestive of interstitial edema .