Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post CABG with clips noted in the mediastinum . Heart size is mildly to moderately enlarged . Dense atherosclerotic calcifications are seen within the thoracic aorta . Mild pulmonary edema is demonstrated with possible trace right pleural effusion . No focal consolidation or pneumothorax is present . Moderate multilevel degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
Mild pulmonary edema and trace right pleural effusion .