Table 2.

Patient and tumor characteristics.

Variable		Number of cases
Number of patients		21
T-stage	1	3
	2	10
	3	5
	4	3
N-stage	0	11
	1	6
	2	3
	3	1
Overall stage	I + II	9
	III	12
Sex	Male	9
	Female	12
HIV status	Positive	4
	Negative	17
Smoking status	Current	7
	Ex-smoker	4