Table 5. Correlation between Pathological immunohistochemistry information and partial pathological response.

Parameters	TRG 1a/1b (N=17)	TRG 2 (N=6)	P value
HER2
+	8	3	1.000 [2]
−	9	3
P16
+	6	2	1.000 [2]
−	11	4
PD-L1
≥10	9	4	0.660 [2]
<10	8	2
Ki-67
≥60%	12	5	1.000 [2]
<60%	5	1

[2]: P value is calculated by Fisher exact test; P>0.05 NS.