Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP , upright and lateral views of the chest were obtained . Dual - lead pacer is seen projecting over the left chest wall with pacer tips in the expected location of the right atrium and right ventricle . The cardiomediastinal silhouette appears normal . Lungs appear clear bilaterally . No signs of pneumonia or CHF . Bony structures are intact .
    OUTPUT:
    
No acute intrathoracic process .