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The stages of non-small cell lung cancer include T1, T2, T3, T4, N1, N2, N3 and M1, according to the American Cancer Society. The letters indicate what is being affected by the cancer, while the numbers indicate its severity.


Stage 1 lung cancer is a nonsmall cell cancer that has not spread from the lung to lymph nodes or other organs of the body, according to WebMD. Nonsmall cell lung cancers receive a stage of 1 to 4 based on their severity. Stage 1 is further divided into 1A and 1B, depending on its size and whether i


Stage III lung cancer is cancer that has progressed to the point that the tumor is difficult or impossible to remove through surgery, according to the American Society of Clinical Oncology. The tumor may have spread to a nearby organ or to the lymph nodes around the chest.


Some of the most common symptoms of stage 1 lung cancer include persistent coughing, chest pain, hoarseness, weight loss, shortness of breath and fatigue, according to Cancer.org. Chronic bronchitis, pneumonia or other infections are also symptoms that may indicate stage 1 lung cancer, particularly


There are seven stages of non-small-cell lung cancer, including the hidden or occult stage, stage 0 or carcinoma in situ, and stages I, II, IIIA, IIIB and IV, which is the final phase, notes the National Cancer Institute. The process that doctors use to determine is cancer has spread throughout the


Early-stage lung cancer usually causes no symptoms, notes WebMD. When symptoms begin to occur, it is generally because of the cancer's spread into the lung or blockage of breathing passages while a chronic, hacking coughing, expulsion of blood-streaked mucus, chronic pneumonia or bronchitis and incr


Stage IV non-small cell lung cancer represents the most advanced form of the condition. The definitive feature of this stage is that cancer cells have spread out of the lungs to other parts of the body, according to Cancer Treatment Centers of America.


There are five types of standard treatments available for small cell lung cancer: surgery, chemotherapy, radiation therapy, laser therapy and placement of an endoscopic stent. New types of treatments are being tested in clinical trials, according to the National Cancer Institute.


Signs of lung cancer in the chest include intense coughing, shortness of breath, coughing up blood and alterations in the voice, according to CancerCare. Symptoms that may show up at other places in the body include muscle wasting, unexplained weight loss, memory loss and unexplained fractures.


The main cause of lung cancer is smoking although exposure to second-hand smoke, asbestos and radon can also cause lung cancer, according to WebMD. Up to 90 percent of the lung cancer cases are caused by smoking, and the longer and heavier someone smokes, the greater his risk of developing lung canc