Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral low lung volumes , unchanged from prior exam . New small right pleural effusion with adjacent compressive atelectasis . Mild left basilar atelectasis . No definite focal consolidation . No pneumothorax . Stable appearance of the cardial mediastinal silhouette and hila . Large retrocardiac hiatal hernia .
    OUTPUT:
    
1 . No focal consolidation to suggest pneumonia . 2 . Small right pleural effusion and bibasilar atelectasis .