Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate persistent diffuse bilateral interstitial opacities . There is no pleural effusion , focal consolidation or pneumothorax . The hilar and mediastinal silhouettes are unchanged . Moderate cardiomegaly is stable . Mild perihilar vascular congestion is noted . Mild pulmonary edema has progressed from prior . Sternotomy wires appear intact . Multiple surgical clips project over cardiac silhouette . AICD device is unchanged in position .
    OUTPUT:
    
1 . In comparison to ___ exam , there is no significant change in diffuse bilateral interstitial opacities , compatible with interstitial lung disease , better characterized on CT chest of ___ , and characterized as NSIP . 2 . Stable moderate cardiomegaly . 3 . Mild pulmonary edema , progressed from prior .