Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a dual lead pacemaker / ICD device again with leads terminating in the right atrium and ventricle , respectively . The cardiac , mediastinal and hilar contours appear stable . Interstitial prominence suggests mild interstitial pulmonary edema . Streaky opacities in the left lower lobe are nonspecific and not necessarily changed more suggestive of atelectasis than pneumonia .
    OUTPUT:
    
Findings suggest interstitial pulmonary edema . Streaky opacification at the left lung base , probably unchanged and due to minor chronic atelectasis .