Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Left - sided pacemaker is again seen , unchanged in appearance . The cardiac silhouette remains enlarged . Mediastinal contours are stable . Prominence of the right greater than left hila is stable . No focal consolidation is seen . There is no pleural effusion or pneumothorax . Degenerative changes are seen along the spine .
    OUTPUT:
    
No significant interval change .