Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size remains mildly enlarged . The mediastinal and hilar contours are unchanged . Moderate size hiatal hernia is again noted . Atherosclerotic calcifications are noted diffusely throughout the thoracic aorta . Low lung volumes cause crowding of the bronchovascular structures . There appears to be mild pulmonary vascular engorgement and trace bilateral pleural effusions . There is minimal atelectasis in the lung bases without focal consolidation . No pneumothorax . Clips are noted projecting over the left chest wall and the patient is status post left mastectomy . Multilevel mild degenerative changes are noted throughout the thoracic spine .
    OUTPUT:
    
Mild pulmonary vascular engorgement and trace bilateral pleural effusions . Minimal bibasilar atelectasis .