Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy . The heart size remains moderately enlarged with a left ventricular predominance . The aorta is tortuous . Mild pulmonary vascular congestion is noted . Streaky bibasilar airspace opacities could reflect atelectasis . No pleural effusion is identified although the right costophrenic angle is excluded from the field of view . Previously seen central venous catheter has been removed . No pneumothorax is present . Rounded calcified structure within the liver is re - demonstrated .
    OUTPUT:
    
Mild pulmonary vascular congestion and bibasilar streaky opacities possibly reflective of atelectasis .