Table 2 Results of HPV DNA testing on lung cancer and adjacent normal lung tissue specimens and characteristics of smoking habit in 100 lung cancer patients, by tumor histology
From: Testing of human papillomavirus in lung cancer and non-tumor lung tissue
Histology | No. HPV-positive / total | Never-smokers, no. | Ever-smokers | |||
|---|---|---|---|---|---|---|
Cancer tissuea | Normal tissue | No. | Smoking habit, years, median (range) | Cigarettes/day, median (range) | ||
Adenocarcinoma | 0 / 67 | 0 / 72 | 15 | 57 | 40 (15–71) | 20 (5–70) |
Squamous cell carcinoma | 0 / 20 | 0 / 20 | 3 | 17 | 45 (20–70) | 20 (3–45) |
Other | 0 / 8 | 0 / 8 | 1 | 7 | 40 (35–60) | 20 (10–40) |