Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . There has been overall resolution of the pneumonia since prior exam , with minimal remaining bibasilar opacities . Atelectasis vs . vascular crowding is seen adjacent to the right heart border . There is no pneumothorax or pleural effusion . Visualized osseous structures are unremarkable . A pacer is seen overlying the left hemithorax with intact wires along the expected courses .
    OUTPUT:
    
No acute cardiopulmonary process . Interval resolution of pneumonia .