Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy as well as CABG . Chronic interstitial changes are noted in the lungs , which have somewhat increased , which may be related to interstitial edema . However , this is not accompanied by any pleural effusion or evidence of pneumonia . There is no pneumothorax . Multiple veterbral compression deformities are present at the thoracolumbar junction .
    OUTPUT:
    
Diffuse increased interstitial markings related to chronic lung disease , slightly increased , likely related to superimposed edema .