Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tip of the left PICC line projects over the lower SVC . The gastric tube projects below the level of the diaphragms but beyond the field of view of this radiograph . Persisting small layering right pleural effusion . No focal consolidation or pneumothorax identified . The size of the cardiac silhouette is within normal limits .
    OUTPUT:
    
No significant interval change since prior exam . Persisting small right layering pleural effusion .