Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear unchanged . There is again borderline cardiomegaly . Allowing for rotation as well as scoliosis , the cardiac , mediastinal and hilar contours are probably unchanged . There is similar mild relative elevation of the left hemidiaphragm . There is no definite pleural effusion or pneumothorax . The lungs appear clear . A PICC line terminates in the lower superior vena cava .
    OUTPUT:
    
PICC line terminating in the lower superior vena cava . No evidence of acute disease .