Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again visualized is right subclavian central venous catheter with the catheter tip in the lower SVC . Previously visualized opacity in the left lower lobe is again noted but appears less confluent . Otherwise , there is no evidence of new consolidations , effusions , or pneumothoraces . The cardiomediastinal silhouette remains at the upper limits of normal .
    OUTPUT:
    
Improving left lower lobe pneumonia .