Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . AICD projects over the left chest wall with lead tip extending to the region of the right ventricle . The heart is mildly enlarged . There is no evidence of pneumonia or CHF . No effusion or pneumothorax seen . Bony structures are intact .
    OUTPUT:
    
No acute intrathoracic process .