Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is an ET tube in appropriate positioning , which terminates 3 .5 cm above the carina . The NG tube tip is below the diaphragm , but not visualized on this radiograph . All other lines and tubes appear to be external to the patient . In comparison to the prior chest radiograph , the pleural effusions have resolved . There is left lower lobe atelectasis . There is no pulmonary vascular congestion . The heart is normal . The mediastinal and hilar contours are normal . There is no pneumothorax .
    OUTPUT:
    
1 . ETT and NG tube in appropriate positioning . 2 . Left lower lobe atelectasis