Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An aortic stent is in place within the tortuous thoracic aorta with a known aneurysm arising from the aortic arch . Right axillary skin ___ are noted . New bilateral interstitial and airspace opacities are most likely due to pulmonary edema . There is no pneumothorax . Persistent retrocardiac airspace opacification is most likely due to atelectasis . Small left pleural effusion is unchanged .
    OUTPUT:
    
New mild pulmonary edema . Stable small left pleural effusion . Stable mediastinal contour with known thoracic aortic aneurysm . Stable retrocardiac atelectasis .