Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright chest radiograph ___ at 14 :42 is submitted .
    OUTPUT:
    
Interval decrease in size of a layering right effusion status post thoracentesis with re-expansion of most of the right lower lung . There continues to be some loculated fluid within the horizontal fissure . No pneumothorax is seen . Left lung remains grossly clear . No pulmonary edema . Stable cardiac and mediastinal contours .