Hematological Malignancies

Joint effects of smoking and treatment Nested case-control study: 222 cases of lung cancer, 444 matched controls

• Smoking is the major cause of lung cancer (only 7 out of 222 cases were never smokers)

RR non/light smokers

No RT (< 5 Gy), no CT RT ( ≥ 5 Gy), no CT No RT (< 5 Gy), CT RT ( ≥ 5 Gy), CT

1.0 (ref) 7.2 (2.9-21.2) 4.3 (1.8-11.7) 7.2 (2.8-21.6)