Fig. 1From: Clinicopathological characteristics and risk factors for recurrence of well-differentiated pancreatic neuroendocrine tumors after radical surgery: a case-control studyKaplan-Meier curve for DFS of postoperative PanNETs by Ki67 index. Thirty-nine cases were less than 10%, 8 cases were greater than or equal to 10%, and DFS of these 2 groups have a statistical difference (p < 0.05)Back to article page