Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A Port - A - Cath terminates in the lower superior vena cava . The cardiac , mediastinal , and hilar contours appear unchanged . There is no pleural effusion or pneumothorax . Streaky left basilar opacity appears unchanged and suggests minor atelectasis . Otherwise , the lungs appear clear .
    OUTPUT:
    
No evidence of acute disease .