| • | Lung Cancer Lung cancer usually occurs because some outside factor, called a carcinogen, has triggered the growth of abnormal, cancerous cells in the lung. |
| • | Tobacco-Related Diseases These diseases and conditions are often the result of smoking or second-hand smoke. |
| • | Adenocarcinoma of the Lung Like other cancers, adenocarcinoma is the growth of abnormal cells. |
| • | Squamous Cell Carcinoma of the Lung Lung cancer (or carcinoma) is one of the most common cancers diagnosed in both men and women. |
| • | Carcinoid Tumors of the Lung Carcinoid tumors have been called "cancers in slow motion." They grow slowly and are less likely than other tumors to spread (metastasize) to other parts of the body. |
| • | Large Cell Cancer of the Lung Large cell cancer is a type of non-small cell lung cancer. Large cell lung cancers tend to grow quickly and spread. |
| • | Small Cell Lung Cancer Small cell cancer is a type of lung cancer. Small cell lung cancer has been called oat cell cancer because the cells resemble oats when seen under a microscope. |
| • | Lung Cancer -- Is It Time To Start Screening? Many smokers and former smokers worry about their risk of developing this disease. Here are some common questions and answers that reveal what most medical experts think about early detection of lung cancer. |
| • | Resources Links to organizations that provide information about lung cancer. |