Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The bilateral lower lobe opacification has slightly improved . Otherwise there is no consolidation . The hila and pulmonary vasculatures are normal . The bilateral pleural effusion has improved . No pneumothorax . The cardiomegaly is unchanged . The mediastinum is normal . No fractures .
    OUTPUT:
    
1 . Improved bilateral lower lobe opacities and bilateral pleural effusion . 2 . No new cardiopulmonary process .