Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison with the study of ___ , bilateral pulmonary opacifications , more severe on the right have not significantly changed . Mild superimposed pulmonary vascular congestion also unchanged . Mild cardiomegaly . Small left pleural effusion . No pneumothorax .
    OUTPUT:
    
Stable appearance of the multifocal opacities can be pneumonia and mild edema .