Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Support devices are in stable position . Left base opacification has improved compared to prior study . There is a new right linear opacification which likely represents fluid in the fissure . There is improvement in the left lung vascular congestion .
    OUTPUT:
    
1 . Left lower lung improved . 2 . Mild pulmonary edema which is more evenly distributed on the study , but overall unchanged .