THE ROLE OF SMOKING IN LUNG CANCER AETIOLOGY
Abstract:
Worldwide, lung cancer has been a matter of public health, being alarmingly increasing in the last 50-60 years. Smoking has been known for a long time, as the main avoidable cause of lung cancer. Cigarette smoke comprises 4000 harmful substances, of which over 40 are carcinogens. I have analysed a batch of 1684 patients, who are in the oncologic records of Tg-Jiu County Emergency Hospital, with the diagnosis of lung carcinoma between 2005 and 2010, trying to determine the role of smoking in lung cancer aetiology. Smoking has been the most frequent risk factor in comparison to the other studied risk factors, a percentage of 90% of the men diagnosed with lung carcinoma being smokers and 67% of women, a percentage also quoted in literature.(1,2) There is a direct proportionality relation between the risk of lung carcinoma and smoking, which has been known in literature for a long time (3,4,5,6,7,8,9), a correlation existing in this study, as well.
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