Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable radiograph of the chest was acquired . There has been interval placement of a right internal jugular central venous catheter , ending in the mid-to - low SVC . There is no pneumothorax . A moderate left pleural effusion persists . A small right pleural effusion remains possible . Ill - defined opacities at the right lung base are not significantly changed and could be atelectasis or pneumonia . Left basilar compressive atelectasis is again seen . The cardiac and mediastinal contours are unchanged .
    OUTPUT:
    
Interval placement of a right internal jugular catheter with its tip in the mid-to - low SVC . No evidence of pneumothorax . Otherwise , no interval change .