Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a new right pigtail catheter in the right lower hemithorax . The large right hydropneumothorax appears essentially unchanged from the prior exam within the limitations of technique . Bilateral hazy opacification is suggestive of mild pulmonary edema . Focal opacity in left upper lobe is consistent with pneumonia and similar to the prior study . NG tube is seen terminating in the stomach . Cardiomediastinal silhouette is stable .
    OUTPUT:
    
1 . New right pigtail catheter . 2 . No evidence for significant change in right hydropneumothorax . 3 . Focal opacity in left upper lobe , most likely pneumonia . 4 . Findings suggesting mild pulmonary vascular congestion .