Oncological and Functional Evaluation of Open Conservation Surgery for Hypopharyngeal Cancer with/without Reconstruction

Table 2

TN and stage classification.

	Number	N1	N2	Stage
Group A
T1	8			I	8
T2	3			II	3
T3	1			III	1
Group B
T1	1			I	1
T2	9	3	4	II	9
T3	3		1	III	6
				IV	5

Group A, open conservation surgery with primary closure; Group B, open conservation surgery with reconstruction.