Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Apparent widening of the mediastinum is likely secondary to patient positioning . Lung volumes are decreased accentuating the cardiac silhouette and the bronchovascular structures . There is mild bibasilar atelectasis . There is no definite focal consolidation , pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Apparent widening of the mediastinum is likely secondary to patient positioning . 2 . Low lung volumes , mild bibasilar atelectasis with no focal consolidation identified .