Modifier S (stent) in a 59-year-old woman with new-onset chest pain who had a history of inferior myocardial infarction and stent placement in the RCA. Curved multiplanar reformatted computed tomography angiographic image of the RCA shows a long stent in situ with moderate in stent restenosis (50%–69%) (white arrowhead). Minimal disease was seen in the left anterior descending and left circumflex arteries (not shown). The patient was assigned Coronary Artery Disease Reporting and Data System 3/S category. Functional assessment was recommended.RCA: right coronary artery.