Table 2. Association of LRG with pathological factors after NT and radical surgery.

Variable	LRG 0		LRG 1		LRG 2		Total	X2	P
	No.	%	No.	%	No.	%
Overall	170	49.0	100	28.8	77	22.2	347
TRG score
0	46	66.7	23	33.3	0	0.0	69	37.733	<0.0001
1	65	48.9	39	29.3	29	21.8	133
2	59	38.1	38	24.5	58	37.4	155
ypT stage
ypT0	33	47.8	21	30.4	15	21.7	69	31.178	<0.0001
ypT1	60	49.6	40	33.1	21	17.4	121
ypT2	55	57.9	20	21.1	20	21.1	95
ypT3	16	50.0	14	43.8	2	16.2	32
ypT4	6	20.0	5	16.7	19	63.3	30
ypN stage
ypN0	155	78.3	0	0.0	43	21.7	198	68.109	<0.0001
ypN1	9	5.9	82	82.0	11	10.8	102
ypN2	6	12.8	18	18.0	23	48.9	47
Tumor differentiation degree
poor	39	48.8	23	28.8	18	22.5	80	0.033	0.997
moderate	59	49.2	35	29.2	26	21.7	120
well	72	49.0	42	28.6	33	22.5	147
Lymphatic invasion
negative	134	48.9	79	28.8	61	22.3	274	0.005	0.997
positive	36	49.3	21	28.8	16	21.9	73
Venous invasion
negative	119	49.0	60	24.7	64	26.3	243	11.076	0.004
positive	51	49.0	38.5	28.9	13	12.5	104
Tumor deposits
negative	136	48.8	72	25.8	51	18.3	279	5.823	0.054
positive	34	50.0	28	41.2	26	38.2	68