Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of the left - sided catheter . There is significant mediastinal widening consistent with aortic dissection seen on CTA torso from ___ . There is increased consolidation and effusion in the left lower lung . Atelectasis at the right lung base is improved . Cardiac size is normal . There is no pneumothorax .
    OUTPUT:
    
1 . Interval removal of the left - sided catheter . No pneumothorax . 2 . Stable mediastinal widening consistent with known aortic dissection . 3 . Increased consolidation and effusion in the left lower lung . 4 . Improved atelectasis in the right lung base .