Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to the previous radiograph , the pneumothorax is again slightly increased in size . The newly developed small left pleural effusion is stable in size . Stable left lower lung opacifications . Apparent rightward shift of the heart is likely due to patient rotation . No evidence of tension .
    OUTPUT:
    
Interval increase in size of left hydropneumothorax . No evidence of tension .