Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left internal jugular central venous catheter tip terminates in the upper SVC . Cardiac and mediastinal contours are unremarkable . Heart size is normal . Atherosclerotic calcifications are noted at the aortic knob . Pulmonary vasculature is not engorged . No large pleural effusion or pneumothorax is seen on this supine exam . Lungs are hyperinflated but clear without focal consolidation . Right subclavian arterial stent is noted . Remote right - sided rib fractures are again demonstrated .
    OUTPUT:
    
Left internal jugular central venous catheter tip in the upper SVC . No large pneumothorax detected on this supine exam .