Table 1.

Characteristics of the series.

		N	%
Age	Median	51.2	27–85
Stage T	T1b2	3	5.3
	T2a2	1	1.8
	T2b	41	71.9
	T3a	2	3.5
	T3b	8	14
	T4a	2	3.5
Stage pN	N0	32	56.1
	N1	21	36.8
	No lymphadenectomy	4	7
Histologic type	Squamous	45	78.9
	Adenocarcinoma	12	21.1
Grade	Grade I	9	15.8
	Grade II	29	59.9
	Grade III	10	17.5
	nr	9	15.8