Present laparoscopic surgery for colorectal cancer in Japan

Table 1 Trial JCOG0404 and other large clinical trials

Trials	Cases	Conversion rate (%)	Overall survival (%)
	Open:Laparoscopy		Open:Laparoscopy
COST	428:435	21	85:86
Braga	201:190	4	83:84
CLASIC C	268:526	16	68:67
COLOR	621:627	19	84.2:81.8
JCOG 0404	533:524	29 cases	> 90
		5.40%

Table 2 Short-term results in the JCOG0404 trial

Variables	Laparoscopic surgery	Open surgery	P value
Bleeding (mL)	50	85	< 0.001
Operation time (min)	211	159	< 0.001
Lymph node dissections	=		Not significant
First postoperative flatus	<
Postoperative hospital stay	<
Surgical site infection (superficial layer)	<
Complications (anastomosis leakage/ileus)	=