Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no evidence of pneumothorax . Mild interstitial pulmonary edema is present . Heart size is top normal . Mediastinal and hilar contours are unremarkable . Minimal free air under the right hemidiaphragm is consistent with post - RF ablation and these changes are better appreciated on recent CT interventional study dated ___ . Minimal bibasilar opacities reflect consolidation and / or atelectasis .
    OUTPUT:
    
No pneumothorax . Mild interstitial pulmonary edema . Free air in the right hemidiaphragm is consistent with recent RF ablation .