Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP portable view of the chest demonstrates slightly increasing bibasilar interstitial opacities , suggestive of worsening atelectasis . No focal consolidations worrisome for pneumonia . Cardiac size is stable . The patient is status post thoracotomy . Chain sutures are noted in the left suprahilar area compatible with prior lingular resection . Known left perihilar mass is not well appreciated on the radiograph . No pleural effusions . No pneumothorax . Hyperinflated lungs with emphysematous changes are re-demonstrated .
    OUTPUT:
    
No evidence of pneumonia . Increased interstitial opacities bilaterally at the lung bases , suggestive of worsening atelectasis .