Figure 4From: The effect of laparoscopic surgery in stage II and III right-sided colon cancer: a retrospective studyThese graphs show the difference of overall survival (OS) and disease-free survival (DFS) between the open surgery group and the laparoscopic surgery group according to the time sequence. ( a) and ( b) are graphs for OS and DFS, respectively, in group II; ( c) and ( d) in group III.Back to article page