Nikolas
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..."