Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are provided . A left chest wall pacer is seen with lead tip extending into the region of the right atrium and right ventricle . Lungs are clear without focal consolidation , effusion , or pneumothorax . The heart size is normal . Aortic atherosclerosis is seen with an unfolded thoracic aorta . Bony structures are intact .
    OUTPUT:
    
No acute intrathoracic process .