Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable supine view of the chest . Lower aspect of the chest is excluded . There has been interval placement of a right IJ central venous catheter with its tip in the region of the lower SVC . No gross signs of complication on this markedly limited supine portable chest radiograph . Other support lines in unchanged position .
    OUTPUT:
    
Right IJ central venous catheter positioned appropriately . Limited exam .