Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded and clear . Cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . The left - sided Port - A - Cath catheter ends in the upper / mid SVC , in unchanged position compared with prior exam .
    OUTPUT:
    
Unremarkable chest radiographic examination . Unchanged position of the left - sided port , with the catheter ending in the upper / mid superior vena cava .