Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A Port - A - Cath terminates in the superior vena cava . The cardiac , mediastinal and hilar contours appear unchanged . There is patchy opacity obscuring the left heart border , but unchanged , probably due to minor atelectasis . The heart is normal in size . Nipple shadows are visualized bilaterally . There are no pleural effusions or pneumothorax .
    OUTPUT:
    
No evidence of acute disease .