Figure 3From: Short-term and medium-term clinical outcomes of laparoscopic-assisted and open surgery for colorectal cancer: a single center retrospective case-control study Cancer-free Survival Analysis in Colon Cancer Cases. The laparoscopic-assisted group is represented by a continuous line and the open surgery group is represented by a dotted line. The cancer-free survival for all colon cancer cases in the two groups have no significant difference (P = 0.973).Back to article page