Table 2. Follow-up results of the three groups of patients.

Endpoint	Group	No.	Event (n)	P value
Death	CCRT	80	2	0.937
	CCRT+AC	40	2
	IMRT alone	42	1
Locoregional relapse	CCRT	80	2	0.756
	CCRT+AC	40	2
	IMRT alone	42	3
Distant metastasis	CCRT	80	4	0.185
	CCRT+AC	40	1
	IMRT alone	42	0