2.

Comparison of positive and total numbers of lymph nodes between two groups

Variables	Lymph node number (x±s)		P
	Surgeon group	Pathologist group
All
Positive	6.53±4.07	4.09±3.70	0.021
Total	29.64±9.64	20.71±8.56	<0.001
Stage I
Positive	0.18±0.35	0.17±056	0.353
Total	19.40±9.62	15.45±8.59	0.011
Stage II
Positive	1.38±1.08	0.87±1.55	0.031
Total	25.35±10.80	16.75±8.56	<0.001
Stage III
Positive	8.11±6.91	6.66±5.12	0.026
Total	32.34±12.55	25.45±8.31	<0.001
Stage IV
Positive	9.27±6.64	8.93±7.12	0.881
Total	25.08±6.97	23.82±9.40	0.186