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Lung Cancer: The Bad and the Worse
In terms of deaths caused by various forms of cancer, lung cancer ranks second only to breast cancer. The National Cancer Institute recently reported that an estimated 172,570 new cases of lung cancer will be reported this year and that 163,510 American will die from this disease.
Lung cancer is caused predominantly by smoking. One expert says that in the case of Small Cell Lung Carcinoma (cancer), it is almost always caused by smoking.
Lung cancer is called lung cancer because it begins in the lungs. The right lung has three sections, the left lung has two. Each section is called a lobe. Sometimes the term "bronchogenic cancer" is used to refer to lung cancer as most lung cancers begin in one of the two breathing tubes, the bronchi, in the lungs.
There are two major types of lung cancer. One is the Small Cell Lung Cancer (SCLC) mentioned in the previous paragraph. The other is Non-Small Cell Lung Cancer (NSCLC).
Non-Small Cell Lung Cancer has three subtypes: Adenocarcinoma, Squamous Cell Carcinoma and Large Cell Undifferentiated Carcinoma. NSCLC is the least "serious" of the two types. In fact, if it is detected early, it is possible that it can be cured with surgery.
Andenocarcinoma accounts for about 40 percent of lung cancer cases in the U.S. It is the most common cancer among women and can be seen in non-smokers. Squamous Cell Carcinoma represents about 30 to 35 percent of lung cancers and tends to stay localized in the chest longer than other types of lung cancer. Large Cell Undifferentiated Carcinoma represents only about five to 15 percent of lung cancers in the U.S. The incidence of this type of cancer seems to be decreasing.
The worst and most aggressive form of lung cancer is Small Cell Lung Cancer. It represents only about 15 to 20 percent of all lung cancers. It spreads to the lymph nodes and other organs more quickly than NSCLC, but seems more responsive to chemotherapy drugs.
Non-Small Cell Lung Cancer is described in stages ? Stage I through IV. WebMD recently reports survival rates of NSCLC as:
· Stage 1A or 1B with no lymph node involvement has a five-year survival rate of 43 to 64 percent when treated with surgery.
· Stage IIA or IIB with a single lymph node involvement, when treated with surgery, has a five-year survival rate of 20 to 40 percent.
· Stage IIIA with a single lymph node involvement in the center of the chest, when treated with surgery has a five-year survival rate of 15 to 25 percent.
· Stage IIIB with lymph node involvement in the chest and neck, when treated with radiation without other treatment, has a five-year survival rate of five to seven percent.
· Stage IIIB with lymph node involvement in the chest and neck, when treated with radiation and chemotherapy, has a five-year survival rate between seven and 17 percent.
· Stage IV with extensive lymph node involvement or cancer that has spread to other organs, hen treated with chemotherapy and palliative care to reduce symptoms and increase comfort has a one-year survival rate.
The prognosis is much bleaker for patients with Small Cell Lung Cancer. This form of cancer is found in two stages: limited or extensive. The limited version is that which is found in only one lung and nearby lymph nodes. The extensive type has spread outside the lung to other parts of the chest or body (metastasized). Limited SCLC when treated with chemotherapy and radiation therapy has an average survival time of 18 to 20 months. The extensive form of SCLC when treated with chemotherapy has a survival time of 10 to 12 months. Ttwo-year survival rate is one to three percent, and the five-year survival rate less than two percent.
The majority of people diagnosed with SCLC will die despite the best available treatment.
While surgery plays the most important part in the treatment of Non-Small Cell Lung Cancer, chemotherapy is always the chosen treatment for Small Cell Lung Cancer. In the case of limited stage SCLC, radiation therapy may also be used as the cancer is still localized to the chest area where radiation can be focused.
Small Cell Cancer Cells are so small they cannot be seen on scans. Even in the case of limited stage SCLC, it is possible for some cells to break away from the primary cancer and migrate to anywhere in the body. For this reason, chemotherapy is the preferred treatment as it treats the whole body, unlike radiation therapy which must be focused on a selected area. In act, chemotherapy is the preferred treatment for both limited and extensive stage Small Cell Lung Cancer.
Article by Douglas Hanna. Douglas is a retired advertising and marketing executive and long-time Denver resident. He is the webmaster of http://www.all-in-one-info.com, a free resource for information on a variety of subjects. Please visit his site to subscribe to his free newsletter, "Tips & Tricks to Save Money & Live Better."
Despite the known fact that Wittenoom is responsible for many deaths, there are some who are reluctant to ban tourists from visiting the town. Undeniably,residents who still reside there are feeling financial and emotional strain due to the lack of tourist trade, however when I saw an article in the West Australian Newspaper Wednesday 19th May, titled "The Town that Won't Die", I was upset and angered by the comments made by a resident of the town, who stated that he had lived in Wittenoom since 1966 and that to his knowledge,no one had died of mesothelioma during that time.
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Mesothelioma - Cancer that Strikes 40 Years Later
Mesothelioma is a rare form of cancer in which malignant (cancerous) cells are found in the mesothelium, a protective sac that covers most of the body's internal organs. Most people who develop mesothelioma have worked on jobs where they inhaled asbestos particles.
Mesothelioma is a type of cancer involving mesothelial tissues of body organs usually lungs or abdominal. It is often caused by exposure to asbestos. However, there are 30-50% of patients without any history of asbestos exposure. People who have received asbestos exposure of as little as one or two months to very low doses are at risk of mesothelioma cancer. Even people who wash clothes of asbestos exposed people are at risk. A person exposed to asbestos could develop mesothelioma after 50 years of exposure.
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An exciting new treatment that has given hope to mesothelioma victims is called gene therapy. Gene therapy attempts to decipher why proteins within certain cells cause them to be resilient to cancer while some cells do not. A while back it was believed that genes were complete upon birth, and that they couldn't affect conditions afflicted during life. This however, turned out to not be the case. Since then we have learned that smoking, sunlight and certain foods can all affect our DNA and make changes to our genetic code. These new insights provided by these conditions have allowed doctors to view many conditions like malignant mesothelioma in a new light.
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What Is Mesothelioma?
Mesothelioma the medical name for cancer of the pleura (the lining of the lung and chest cavity) or cancer of the peritoneum (the lining of the abdomen). It is usually caused by prolonged or persistent exposure to asbestos.
Protect Against Mesothelioma by Avoiding Asbestos
Mesothelioma is a rare cancer that attacks the body's mesothelial cells around the organs. The mesothelium provides a protective membranous lining for the internal organs and allows moving organs (i.e. the heart and the lungs) to glide easily against adjacent structures. The names of the three regions of mesothelial cells that provide protective coating are 1) pleura, the sac which surrounds the lungs; 2) peritoneum, the lining which protects the abdominal cavity; and 3) pericardium, the sac which surrounds the heart. Three different types of mesothelioma cancer attack these three different regions.
Asbestos - The Silent Killer
Asbestos is the single biggest work place killer today. People who have worked with the material are at serious risk from developing lung cancer, asbestosis and mesothelioma, fatal respiratory illnesses that debilitate their victims. Evidence of asbestos' deadly effect on those who breathe its fibres is likely to multiply in the decades to come.
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Mesothelioma in the UK
Mesothelioma is a type of cancer that affects the external lining of the lungs (pleura) and the lower digestive tract (peritoneum). The disease has been linked to exposure with asbestos dust. Cancer of this kind is uncommon and rarely is a result of anything other than asbestos exposure. It is also very difficult to diagnose. Tumors of the mesothelieum can be either benign (noncancerous) or malignant (cancerous). Most mesothelial tumors are malignant. However this disease is not very responsive to therapy.
Mesothelioma Attorneys and Asbestosis Treatment Data
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What Are The Risk Factors For Mesothelioma?
Working with asbestos is the major risk factor for mesothelioma cancer. A history of asbestos exposure at work is reported in about 70 percent to 80 percent of all cases. However, mesothelioma has been reported in some individuals without any known exposure to asbestos.
Asbestos - Mesothelioma
Asbestos is a naturally occurring, fibrous mineral found in the ground and mined all over the world. It is so small it can only be identified under a microscope. In the past, asbestos was added to various products such as insulation to increase fire resistant properties. Asbestos exposure, especially of an extended duration, has been linked to mesothelioma and other health problems, including lung cancer. Mesothelioma is a rare form of cancer that affects cells in the lining of the chest and abdomen. The tissues in these areas are called the mesothelium, and they produce a lubricating fluid that allows the organs to move easily and without irritation or injury in the torso cavity.
Mesothelioma - The Largest Man Made Epidemic
It is documented that Australia had the highest per capita use of asbestos in the world from the 1950's until the 1970's. As a tragic consequence, Australia now has the highest per capita incidence of mesothelioma in the world. With more than 500 Australians contracting mesothelioma per year, it is estimated that up to 18,000 Australians will die from this asbestos related cancer by the year 2020.
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