Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . Left - sided AICD / pacemaker lead terminates in the right ventricle , unchanged . Moderate cardiomegaly is redemonstrated . The mediastinal and hilar contours are unchanged . Mild interstitial pulmonary edema is relatively similar when compared to the prior exam . No pleural effusion or pneumothorax is identified . There are no acute osseous abnormalities .
    OUTPUT:
    
Mild interstitial pulmonary edema .