Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: All the monitoring devices are unchanged . In particular , dual - channel right jugular catheter ends in upper SVC . ET tube ends at 5 cm from carina . NG tube is below the diaphragm but the tip is not visualized As compared to prior chest x-ray , there are no major changes ; slight improvement of the right infrahilar and stable left retrocardial opacity , which are consistent with known pneumonia . There is no pleural effusion . Cardiomediastinal silhouette is unchanged . There is no pneumothorax .
    OUTPUT:
    
Mild improvement of right base consolidation .