Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided Port - A - Cath again seen , terminating in the low SVC a / cavoatrial junction . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
No acute cardiopulmonary process .