Fig. 3From: Introduction of gasless laparoscopic surgery as a minimally invasive procedure for endometrial cancer and its usefulness from the viewpoint of the learning curveKaplan–Meier curves of disease-free survival (DFS), log-rank test P= 0.929 (A) and overall survival (OS), log-rank test P= 0.141 (B). Tick marks indicate censored data. The differences in survival between the groups were not significantBack to article page