Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The patient is status post median sternotomy and CABG . The cardiac silhouette is mild - to - moderately enlarged . There are small bilateral pleural effusions with overlying atelectasis . Minimal central pulmonary vascular engorgement is seen . Aortic knob calcification is seen . There is no pneumothorax or definite focal consolidation .
    OUTPUT:
    
Small bilateral pleural effusions with overlying atelectasis . Mild central pulmonary vascular engorgement . Enlargement of the cardiac silhouette .