Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate size right and large left pneumothoraces are present with bibasilar opacities likely reflective of atelectasis . There is no substantial shift of mediastinal structures . Extensive pneumomediastinum and subcutaneous emphysema is present within the neck and chest wall bilaterally . Large amount of free intraperitoneal air is also noted as well as retroperitoneal air within the upper abdomen . Enteric tube is seen with tip in the stomach . Heart size is normal . Mild atherosclerotic calcifications are noted within the aortic knob . No acute osseous abnormalities demonstrated .
    OUTPUT:
    
1 . Moderate right and large left bilateral pneumothoraces with associated bilateral lung atelectasis . No substantial shift of mediastinal structures . 2 . Extensive free intraperitoneal and retroperitoneal air within the upper abdomen . 3 . Extensive pneumomediastinum and subcutaneous emphysema tracking into the neck and chest wall bilaterally .