Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild pulmonary vascular congestion which appears chronic . There is no focal consolidation , pleural effusion or pneumothorax . There is mild cardiomegaly which appears unchanged . The mediastinal and hilar contours are similar . The patient is status post median sternotomy and CABG .
    OUTPUT:
    
Chronic mild pulmonary vascular congestion .