Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . Moderate enlargement of cardiac silhouette is present . The aorta is tortuous and demonstrates diffuse atherosclerotic calcifications . Cephalization of pulmonary vascular markings is suggestive of mild pulmonary vascular engorgement . Patchy ill - defined opacity in the right mid lung field is noted . No focal pleural effusion or pneumothorax is visualized . Streaky atelectasis is demonstrated at the lung bases . There are no acute osseous abnormalities .
    OUTPUT:
    
Cardiomegaly with mild pulmonary vascular engorgement . Patchy opacity within the right mid lung field may reflect asymmetric pulmonary vascular engorgement though infection is not completely excluded .