Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is moderate cardiomegaly , similar to prior . There is crowding of pulmonary vasculature , exaggerated by low lung volumes . The lungs are otherwise clear without focal or diffuse abnormality . There is no evidence of pleural effusion , pneumothorax , or pneumoperitoneum . Triple lead left chest wall pacer is seen with wires terminating in the right ventricle , right atrium , and left ventricle via the coronary sinus . No new radiopaque foreign bodies . The osseous structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process . No pneumothorax or pneumoperitoneum .