Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Tunneled venous catheter seen with tip at the RA / SVC junction . The lungs remain clear . The cardiomediastinal silhouette is normal . No acute osseous abnormalities detected . Old right mid clavicular fracture is again noted .
    OUTPUT:
    
No acute cardiopulmonary process .