Table 1 Characteristics of 100 lung cancer patients assayed for HPV DNA in normal lung tissue and in the cancer tissue

Country of residence

Italy

87 ^a

UK

13

Age at diagnosis (years)

<60

31

60-70

32

>70

37

Gender

Male

35

Female

65

Histology

Adenocarcinoma

72

Squamous cell carcinoma

20

Other ^b

8

Clinical stage ^c

I

54

II

16

III

26

IV

3