Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Dual lead left chest wall pacing device is seen in unchanged position . Mild cardiomegaly is unchanged . The lungs are clear without focal consolidation , pneumothorax , or pulmonary vascular congestion . No acute osseous abnormality is detected .
    OUTPUT:
    
No acute cardiopulmonary process .