Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Low lung volumes are again noted . There is , however , increased interstitial marking throughout the lungs as on prior , compatible with mild edema . Bibasilar opacities are most likely due to atelectasis . There is no large effusion . Cardiac silhouette is stable . Left chest wall dual - lead pacing device is again seen as well as median sternotomy wires and mediastinal clips .
    OUTPUT:
    
No significant interval change . Mild edema .