Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable supine chest radiograph is provided . There is a left chest wall port whose catheter tip has been pulled back . There may be a kink in the proximal portion of the catheter near the hub . There is no pneumothorax . Lung volumes remain low . There is no focal consolidation or pleural effusion . Cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
Port catheter tip has been pulled back with the tip in the upper SVC and a possible kink near the hub .