Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Dual chamber pacemaker generator is seen in the left hemithorax with appropriate position of atrial and ventricular leads . The heart size is top normal , although likely accentuated by the portable technique . The lungs appear clear with no consolidation . Downward position of the chin obscures the lung apices and superior mediastinum . Minimal blunting of the costophrenic angles bilaterally is unchanged since ___ . Hilar and mediastinal contours are stable . No subdiaphragmatic air is appreciated .
    OUTPUT:
    
No evidence of consolidation , or significant change since ___ .