2ND PRIMARY TUMORS IN MORE THAN 2-YEAR DISEASE-FREE SURVIVORS OF SMALL-CELL LUNG-CANCER IN JAPAN - THE ROLE OF SMOKING CESSATION

Patients with small-cell lung cancer who survive more than 2 years hav e a significantly increased risk (relative risk of 3.6) of developing a second primary tumour. The cessation of cigarette smoking after succ essful therapy is associated with a significantly decreased risk of a second primary tumour.