Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . When compared with most recent exam , there has been interval improvement of bilateral opacities with some persistent indistinct pulmonary vascular markings . There are small bilateral pleural effusions , new since prior . Mildly enlarged cardiac silhouette is unchanged . No acute osseous abnormality is identified .
    OUTPUT:
    
Interval improvement in the bilateral parenchymal opacities , most suggestive of improved pulmonary edema . New small bilateral pleural effusions .