Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and CABG . The heart size is top - normal . The mediastinal and hilar contours are within normal limits . The pulmonary vasculature is not engorged . Previously noted bilateral pleural effusions have essentially resolved . Aeration within the lung bases is improved with only minimal atelectasis seen in the left lung base . Hyperinflation of the lungs is again noted . No pneumothorax is identified . No acute osseous abnormality is visualized . Chronic deformity of the left midclavicle is re - demonstrated .
    OUTPUT:
    
Resolution of previously noted bilateral pleural effusions . Minimal left basilar atelectasis .