Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A three - lead pacemaker / ICD device with leads terminating in the right atrium , right ventricle , and coronary sinus , appears unchanged . The pacer device projects over the left lateral chest , as before . The heart is moderately enlarged , not significantly changed . The mediastinal and hilar contours appear unchanged . There is new widespread mild - to - moderate interstitial abnormality suggesting pulmonary edema . Hyperinflation is suspected based on flattening of the hemidiaphragms . There is no pleural effusion or pneumothorax . Bony structures are unremarkable .
    OUTPUT:
    
Findings consistent with mild - to - moderate pulmonary edema .