Clinical characteristics of gastrointestinal immune-related adverse events of immune checkpoint inhibitors and their association with survival

Figure 2 Ischemic change caused by an immune checkpoint inhibitor. Endoscopic images of gastrointestinal-immune-related adverse events in the sigmoid colon of a patient. A: The mucosa of the sigmoid colon shows redness, erosion, hemorrhage, and edema; B: Some of the mucosa is pale, with submucosal edema and bleeding.