Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Patient is status post left - sided AICD device with single lead terminating in the right ventricle , unchanged . Patient is also status post median sternotomy and CABG . Moderate cardiomegaly is re - demonstrated . Mediastinal and hilar contours are unchanged . Mild interstitial pulmonary edema is not substantially changed in the interval . No focal consolidation , pleural effusion or pneumothorax is present .
    OUTPUT:
    
Mild interstitial pulmonary edema , not substantially changed in the interval .