Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Prior pulmonary edema has cleared . There has been significant improvement in prior lingular opacities , and stable left lower and right middle lobe opacities . Small left pleural effusion persists . There is continued mild cardiomegaly and central venous congestion .
    OUTPUT:
    
Improving multifocal pneumonia and pulmonary edema .