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Lung cancer: Difference between revisions
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(Created page with "'''Lung cancer''' is the second most frequent cancer, but it causes the most cancer-related deaths worldwide. Smoking is famously the biggest risk factor, and also the reason that lung cancer incidence increased dramatically during the 1900s. 85 – 90% of cases of lung cancer are attributable to smoking. Around 95% of all primary lung tumors are carcinomas (epithelial origin), and these four types are most important: * Non-small-cell lung cancer (NSCLC) ** Adenoca...") |
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* Family history (Genetic susceptibility) | * Family history (Genetic susceptibility) | ||
Smoking is by far the important cause of lung cancer | Smoking is by far the important cause of lung cancer, and it's estimated that 90% of lung cancer cases would be avoided if not for smoking. Lung adenocarcinoma is not as strongly associated with smoking and is actually more common in nonsmokers than in smokers. The other types of lung cancer are very strongly associated with smoking. | ||
We can compare smoking habits with a measure called “pack-year”. If you have smoked 1 pack of cigarettes (20 pcs) every day for one year you have accumulated 1 pack-year. If you smoke one half pack every day for four years you have accumulated 2 pack-years. This allows us to quantify smoking habits, and it has prognostic significance. Higher pack years means higher risk of smoking-induced cancer, as well as a poorer prognosis in the case of lung cancer. | We can compare smoking habits with a measure called “pack-year”. If you have smoked 1 pack of cigarettes (20 pcs) every day for one year you have accumulated 1 pack-year. If you smoke one half pack every day for four years you have accumulated 2 pack-years. This allows us to quantify smoking habits, and it has prognostic significance. Higher pack years means higher risk of smoking-induced cancer, as well as a poorer prognosis in the case of lung cancer. | ||
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Surgery is preferably performed with video-assisted thoracoscopy (VATS) rather than open surgery. | Surgery is preferably performed with video-assisted thoracoscopy (VATS) rather than open surgery. | ||
<noinclude>[[Category:Thoracic surgery]] | <noinclude>[[Category:Thoracic surgery]] | ||
[[Category:Oncology]]</noinclude> | [[Category:Oncology]] | ||
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