Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left Internal jugular venous catheter terminates in upper SVC . Linear opacity in left mid lung is likely atelectasis or scarring . No consolidation , pneumothorax , or large pleural effusion is identified . Cardiac silhouette is borderline enlarged .
    OUTPUT:
    
Left internal jugular venous catheter terminates in upper SVC .