Lung Cancer is a type cancer that begins in the lungs. Most lung cancers spread first to the lymph nodes, which are small bean shaped glands throughout the body. YOu are more likely to get lung cancer if you smoke or you are exposed to secondhand smoke. The symptoms of lung cancer include weight loss, persistent cough, coughing up blood, shortness of breath, chest pain, and hoarse voice (World Book Encyclopedia).
The treatment options for lung cancer are chemotherapy, radiation