Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is of normal size with normal cardiomediastinal contours . The lungs are clear without focal or diffuse abnormality . No pleural effusion , pneumothorax , or pneumoperitoneum . A left axillary vascular metallic stent is new since the prior exam . Osseous structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process . No pneumothorax or pneumoperitoneum . New left axillary vascular stent .