Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal radiograph of the chest shows stable bilateral alveolar opacities with unchanged ECMO catheter , endotracheal tube , and enteric tube . The endotracheal tube tip projects roughly 8 cm from the carina , and appears different from the previous x-ray likely due to the patient 's chin now being up . No pneumothorax is appreciated .
    OUTPUT:
    
Unchanged appearance of lung parenchyma with no evidence of pneumothorax .