Lung Cancer Lung cancer is a carcinoma that develops in the epithelial cells that form the interior lining to the lungs. The airways get the most exposure to inhaled pollutants, thus most people who get lung cancer are smokers. Lung cancer is not just one disease. There are many types of cancer that form in the lungs most of which you can only see through a microscope. The most common cancer of the lungs is …showed first 75 words of 1417 total…

…showed last 75 words of 1417 total…minority of patients with lung cancer are responsive to drug treatment. There are a number of drugs which are able to shrink tumors at least by half. Although single - drug chemotherapy does cause tumor shrinkage it rarely prolongs life. Several drugs are being used in combninations now. Patients who are feeling very sick, who have lost a lot of weight or who have had prior radiotherapy are likely to respond pooly to drug therapy.