Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Compared to ___ , lung volumes have increased with mild interstitial pulmonary edema , significantly improved from the prior study . There is no focal consolidation or pneumothorax . A small pleural effusion is probably on the left , with adjacent atelectasis . The heart size is upper limits of normal . Mediastinal silhouette is normal .
    OUTPUT:
    
Mild interstitial pulmonary edema , improved from ___ . Small pleural effusion .