Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided Port - A - Cath is again noted with the tip terminating in the right atrium and appears to be unchanged compared to the prior study . Heart appears normal in size and configuration . The cardiomediastinal contours are unremarkable . Lungs are clear and the opacity seen projecting over the mid left lung on the prior study is no longer evident . No pleural effusions and no pneumothorax .
    OUTPUT:
    
Right - sided Port - A - Cath terminates within the right atrium and does not appear to be significantly changed in position compared to the prior study .