Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Postsurgical changes following TAVR including intubation with the tip of the ETT seen 3 .0 cm above the carina and widening of the cardiomediastinal silhouette . No pneumothorax . The heart size is stable . Opacities in the left upper lobe , adjacent to the aortic knob , may be from atelectasis , but attention on followup studies is recommended .
    OUTPUT:
    
1 . Expected postsurgical changes following TAVR . Opacities in the left upper lobe are likely from atelectasis but close attention is recommended on follow up exams . 2 . The tip of the ETT is 3 .0 cm above the carina .