Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided PICC line terminates in the lower variant left sided superior vena cava as confirmed with ___ spine MRI . Mediastinal and hilar contours are unchanged . There is moderate cardiomegaly . Lung volumes are low with minimal bibasilar atelectasis . No pleural effusion or pneumothorax is evident .
    OUTPUT:
    
Left - sided PICC line terminating in a very low SVC . No pneumothorax or pleural effusion .