Neck management	VEGF-A and Ki-67	High risk			Intermediate risk			Low risk
Neck management	VEGF-A and Ki-67	Dead	Censored	Total	Dead	Censored	Total	Dead	Censored	Total
END + Adj Tx	Both	2	0	2	?	?	?	?	?	?
	Either	4	7	11	?	?	?	?	?	?
	Neither	0	4	4	?	?	?	?	?	?
	Total	6	11	17	?	?	?	?	?	?
ENI	Both	0	0	0	3	1	4	2	0	2
	Either	4	5	9	1	1	2	1	2	3
	Neither	2	0	2	3	6	9	1	1	2
	Total	6	5	11	7	8	15	4	3	7
END	Both	0	0	0	1	0	1	?	?	?
	Either	0	3	3	1	2	3	?	?	?
	Neither	0	5	5	1	9	10	?	?	?
	Total	0	8	8	3	11	14	?	?	?
Observation	Both	?	?	?	?	?	?	0	2	2
	Either	?	?	?	?	?	?	1	4	5
	Neither	?	?	?	?	?	?	0	9	9
	Total	?	?	?	?	?	?	1	15	16