Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Left - sided central venous catheter seen with distal tip in the right atrium , similar to prior . Vascular stent again noted in the left brachiocephalic vein . The lungs are clear of consolidation , pulmonary vascular congestion or effusion . Cardiomediastinal silhouette is otherwise unremarkable . No acute osseous abnormality detected .
    OUTPUT:
    
No acute cardiopulmonary process .