TABLE 3.

Pairwise log‐rank tests of the 5‐year overall survival rates across the eight stages.

Stage (p value)	I	IIA	IIB	IIIA+IIIB	IIIC‐T1	IIIC‐T2a	IIIC‐T2b	IIIC‐(T3a+T3b)
I	–	–	–	–	–	–	–	–
IIA	0.001	–	–	–	–	–	–	–
IIB	<0.001	<0.001	–	–	–	–	–	–
IIIA+IIIB	<0.001	<0.001	<0.001	–	–	–	–	–
IIIC‐T1	<0.001	<0.001	0.131	<0.001	–	–	–	–
IIIC‐T2a	<0.001	<0.001	0.226	0.001	0.012	–	–	–
IIIC‐T2b	<0.001	<0.001	0.381	0.006	0.031	0.978	–	–
IIIC‐(T3a+T3b)	<0.001	<0.001	<0.001	0.463	<0.001	<0.001	0.002	–