Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided double - lumen port ends in the mid to low SVC , unchanged in position since ___ . There is no kinking of the catheter . The cardiomediastinal and hilar contours are within normal limits . The lungs are essentially clear . There is no focal consolidation , pleural effusion or pneumothorax .
    OUTPUT:
    
Unchanged position of left port , terminating in the mid-to - low SVC .