Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette and pulmonary vasculature are stable since recent examination . There is no pleural effusion or pneumothorax . The lungs are clear . A right - sided Port - A - Cath is noted with its tip in the lower SVC region .
    OUTPUT:
    
No acute intrathoracic process . Please refer to subsequent CTA for further details .