Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Pulmonary edema present on most recent chest radiograph has resolved and the heart and vascular pedicle are smaller suggesting improvement in congestive heart failure . Tortuosity of the aorta is unchanged . The lungs are well expanded and clear . The mediastinal silhouette , hilar contours , and pleural surfaces are normal without pleural calcification . No pleural effusion or pneumothorax is present .
    OUTPUT:
    
1 . No radiographic findings to suggest sequela of asbestos exposure . 2 . Decrease in heart size and resolution of pulmonary edema suggests improvement in congestive heart failure .