Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . Right - sided dual lumen central venous catheter tip terminates in the proximal right atrium . Moderate cardiomegaly is unchanged . The thoracic aorta is diffusely calcified . Mild pulmonary vascular congestion persists . Small bilateral pleural effusions which are partially loculated laterally , right greater than left , appear slightly increased in size compared to the prior study . There is no pneumothorax . Lungs are hyperinflated with flattening of the diaphragms suggestive of underlying COPD . Clips are again demonstrated within the right upper quadrant likely reflecting prior cholecystectomy . No pneumothorax is identified . No acute osseous abnormalities are seen .
    OUTPUT:
    
Small bilateral pleural effusions , right greater than left , which are partially loculated laterally are slightly increased from the prior study . Mild pulmonary vascular congestion .