Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ETT tip ends the 5 .5 cm from the carina , which is too high with the patient 's chin flexed . Enteric tube traverses the diaphragm with it s tip is not seen . The stomach is nondistended . Lung volumes remain low . The lungs are clear . The heart size is normal . No pneumothorax , focal consolidation , or pleural effusion . Mediastinum and hila are within normal limits .
    OUTPUT:
    
1 . No acute intrathoracic process . 2 . ETT tip is too high - should be advanced 2 .5 - 3 cm to avoid inadvertant extubation . 3 . Note that chest radiograph is sub optimal for evaluation of chest wall trauma / rib fractures .