Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided AICD is similar and position . The cardiac silhouette remains moderately enlarged . Mediastinal contours are stable . No pleural effusion or pneumothorax is seen . Streaky right base opacity is stable may represent scarring or overlap of vascular structures . No new focal consolidation is seen . Degenerative changes are seen along the spine .
    OUTPUT:
    
Persistent enlargement of the cardiac silhouette . No significant interval change .