Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In addition to a Port - A - Cath that terminates in the upper right atrium , a new right internal central venous catheter has been placed , which terminates at the cavoatrial junction . The cardiac , mediastinal and hilar contours appear unchanged . There is no pleural effusion or pneumothorax . In addition to a band - like opacity suggesting minor atelectasis in the left mid lung , there is a new mild fullness of central pulmonary vessels which suggests mild fluid overload .
    OUTPUT:
    
New central venous catheter terminating at the cavoatrial junction . Mild fluid overload .