Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single - lead pacemaker / ICD device terminates in the right ventricle . The cardiac , mediastinal and hilar contours appear stable including a left ventricular configuration to the heart . The lung volumes are low . Minor streaky opacities at the lung bases suggest minor associated atelectasis , but otherwise the lungs appear clear . There are no pleural effusions or pneumothorax . Surgical clips project over the left upper quadrant .
    OUTPUT:
    
No evidence of acute disease . No significant change .