Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to ___ , bibasal opacities have slightly improved . Right pleural effusion has also decreased . Moderate left pleural effusion persists . Mild pulmonary vascular congestion has not significantly changed . No pneumothorax . Mild cardiomegaly .
    OUTPUT:
    
No significant interval change in the pulmonary vascular congestion . Bibasal opacities and right pleural effusion have decreased .