| No. (%) of patients (n = 42) |
---|
Age, median (range) | 54 (18–78) |
Sex |
Male | 22 | (52) |
Female | 20 | (48) |
Smoking historya |
Present | 17 | (40) |
Absent | 23 | (55) |
Unknown | 2 | (5) |
Symptoms at diagnosis |
Present | 22 | (52) |
- aSeventeen patients with smoking history included 14 males (64%) and 3 females (15%). In comparison with a large-scale population study in Japan concerning total cancer incidence according to smoking status, 84% of males and 9% of females at the diagnosis of cancer had smoking history [24]