Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are slightly low . The cardiomediastinal silhouette is stable . There has been interval improvement in pulmonary edema , likely with mild residual pulmonary vascular congestion . Retrocardiac opacity is unchanged , probably representing relaxation atelectasis . Left pleural effusion is small , possibly minimally larger . New since the prior exam is a new small right pleural effusion . There is no pneumothorax .
    OUTPUT:
    
1 . Improvement in pulmonary edema , possibly with mild residual vascular congestion . Bilateral small pleural effusions are new on the right and slightly larger on the left . 2 . Unchanged left basilar atelectasis . No new focal lung consolidation .