Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient has had prior esophagectomy with a gastric pull - through . A new right lower lobe airspace opacity is likely due to aspiration pneumonia . The left lung is clear . There is no pneumothorax . Cardiomediastinal silhouette is stable .
    OUTPUT:
    
New right lower lobe aspiration pneumonia .