Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated and bibasilar , right greater than left , atelectasis is noted . No pleural effusion or pneumothorax . Mild cardiomegaly and unfolding of the aorta appear similar to the prior radiograph of ___ .
    OUTPUT:
    
No acute intrathoracic process .