Table 2.

Positive rate of each lymph node station in all patients (n = 354)

Station	Case	Positive rate	Station	Case	Positive rate
No. 1	9	2.54%	No. 7	10	2.82%
No. 2	2	0.56%	No. 8	6	1.69%
			No. 8a	5	1.41%
			No. 8p	1	0.28%
No. 3	17	4.80%	No. 9	2	0.56%
No. 4	13	3.67%	No. 10	1	0.28%
No. 4sa	6	1.69%
No. 4sb	4	1.13%
No. 4sd	4	1.13%
No. 5	11	3.11%	No. 11	2	0.56%
No. 6	14	3.95%	No. 11p	1	0.28%
			No. 11d	1	0.28%
			No. 12	3	0.85%