Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided Port - A - Cath terminates at the cavoatrial junction without evidence of pneumothorax . Midline tracheostomy tube is re - demonstrated , similar in appearance . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable and unremarkable . .
    OUTPUT:
    
No acute cardiopulmonary process .