Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Severe cardiomegaly is re- demonstrated . The patient is status post median sternotomy and CABG . Mediastinal and hilar contours are unchanged . There is mild pulmonary vascular congestion which is likely chronic . No overt pulmonary edema , focal consolidation , pleural effusion or pneumothorax is visualized . No acute osseous abnormalities are detected .
    OUTPUT:
    
Severe cardiomegaly with chronic mild pulmonary vascular congestion . No evidence of pleural effusion or pneumonia