Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The nasogastric tube has been removed . The left retrocardiac and basilar opacity with associated volume loss has improved e when compared to the prior . There is blunting of the left costophrenic angle representing a small effusion . The right lung is clear . The cardiomediastinal silhouette as compared well . No pneumothorax . Partially visualized lumbar thoracic spinal stenosis posterior surgical hardware is unchanged .
    OUTPUT:
    
Interval improvement , with interval decrease of the left basal atelectasis .