Research Paper On Lung Cancer

Of 172, 570 people who were diagnosed by lung cancer in The United States in 2005, only fifteen percent will survive for five years. Lung Cancer is the third most common form of cancer but is the number one killer among cancer patients. Lung Cancer claims more lives than colon cancer, prostate cancer, ovarian cancer, and breast cancer combined. Cancer is an ancient disease. Mummies, some even 2,500 years old, were discovered in Peru with lumps that clearly suggest cancer as the cause of death . Lung cancer is the carcinoma that affects the lungs, which is the abnormal growth starts in the epithelial cells that line the bronchial tubes and the alveoli. The roles are to draw oxygen from the air that the cells need to stay alive and expel the …show more content…
There are two main types of lung cancer; the first type is small cell cancer. Small cell cancer is exclusively in heavy smokers and less common than non-small cell lung cancer. Non-small cell cancer is the umbrella term used for several different types. Non-small cell cancer includes squamous cell carcinoma, which are flat cells that line the inside of the airways in the lungs (Mayo Clinic). Lung functions are very important to the body. Single cell organisms called amoebas move freely and takes oxygen needed from its surrounding. Multicellular organisms, humans, are where cells cannot move, this means that the cells are complex circuit of vessels and specialized red blood cells that carry oxygen (Ferreiro 8). Lung cancer is a leading cause of death in 2013 because of inhalation of smoke, overall stages, certain symptoms, and intense diagnosing of lung …show more content…
Every cancer has different symptoms and lung cancer is very extensive. Beginning, since the cancer is in the lungs there are very intense coughing which leads to a painful chest. Another symptom of lung cancer is a color change of sputum, which is a mixture of saliva and mucus coughed from the lung areas. Shortness of breath is also very common to see in people who carry the disease. A change in voice and harsh sounds are very related to the cancer because of it being the lungs. In addition, that includes recurrent lung problems. Coughing up mucus and blood is very common. According to Symptoms of Lung Cancer, the lung cancer symptoms are very different from other cancer symptoms . They include respiratory issues more than other cancer (Symptoms of lung cancer). Lung cancer is a leading death in 2013 because of the intense