Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Large bore right - sided catheter terminates in the right atrium . Heart size and mediastinal contours are normal . Aortic knob calcification is unchanged . Lungs are clear without pleural effusion , focal consolidation , or pneumothorax .
    OUTPUT:
    
No focal consolidation or pleural effusion . Right tunneled catheter terminates in the right atrium .