Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Left chest wall pacer device is again noted with leads extending to the region the right atrium and right ventricle unchanged . Patient is slightly rotated to the left . The heart appears mildly enlarged . Mediastinum is difficult to assess given rotation . The lungs appear relatively clear . No large effusion or pneumothorax is seen . Significant kyphotic angulation of the thoracic spine is noted . Compression deformities in the T - spine are chronic in better assessed on the prior CT from ___ .
    OUTPUT:
    
No convincing evidence for pneumonia or edema .