Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Port - A - Cath resides in left chest wall with catheter unchanged in position with tip residing in the low SVC . The lungs are clear without focal consolidation , effusion , or pneumothorax . Cardiomediastinal silhouette is stable . No displaced rib fractures are seen .
    OUTPUT:
    
No acute intrathoracic process .