3.

患者术后短期疗效

Post operation results of patients

Group	S1	S2	S3	S4	S5	S6	S7	S8	S9	S10	S11	Total
Number	136	117	111	65	59	49	41	36	35	32	31	714
R2 resection	9	5	11	4	3	4	1	2	1	1	0	P < 0.001
	6.60%	4.30%	9.90%	6.20%	5.10%	8.20%	2.40%	5.60%	2.90%	3.10%	0.00%
R1 resection	0	0	1	2	1	2	2	0	0	1	0	P < 0.001
	0.00%	0.00%	0.90%	3.10%	1.70%	4.10%	4.90%	0.00%	0.00%	3.10%	0.00%
Perioperative serious complications	4	2	5	2	3	4	1	2	1	3	0	P < 0.001
	2.90%	1.70%	4.50%	3.10%	5.10%	8.20%	2.40%	5.60%	2.90%	9.40%	0.00%
Death within 30 Days	3	2	5	2	2	3	0	1	1	2	0	P < 0.001
	2.20%	1.70%	4.50%	3.10%	3.40%	6.10%	0.00%	2.80%	2.90%	6.30%	0.00%