Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A venous catheter terminates in the superior vena cava . The heart is at the upper limits of normal size . The mediastinal and hilar contours appear unchanged . Multifocal streaky opacities appear unchanged in the left lung , indicating scarring . New linear opacities in the right mid to lower lung suggest minor atelectasis or scarring . There is no pleural effusion or pneumothorax . No free air is identified . Mild loss among mid - to - lower thoracic vertebral body heights appears unchanged .
    OUTPUT:
    
No evidence of acute disease or free air .