Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right sided subclavian line terminates in the mid-SVC . There is a vague right lung base opacity which is better characterized on CT from ___ . No new areas of consolidation . There are no pleural effusions or pneumothorax . Cardiomediastinal silhouette is stable . No acute osseous abnormalities .
    OUTPUT:
    
Persistent opacity in the right lung base , likely due to pneumonia . This is better characterized on recent CT ___ .