Lung cancer is responsible for about 160,000 deaths every year in United States, and every year there are 220,000 new cases. more »
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Lung cancer causes more deaths in the United States each year than any other type of cancer....
According to the Centers for Disease Control, 196,687 Americans were diagnosed with lung...
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Healthy lungs have five lobes, three on the right lung and two lobes on the left lung. The lungs and chest are covered with a lining called the... more »
While there are many types of cancer, lung cancer is more likely to strike more people than any other type of cancer. With a greater amount of... more »
The disease known as lung cancer is caused by the unchecked growth of abnormal cells within the lungs. If left untreated, these cancerous cells... more »
Lung cancer is the leading cancer killer in the United States, according to the American Lung Association. However, smokers aren't the only ones... more »
Lung cancer is a serious illness that often results in death. Smokers are most vulnerable to this disease, but even those who don't smoke are at... more »
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ICDO |
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MedlinePlus 007194 |
eMedicineSubj med |
eMedicineTopic 1333 |
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MeshID D002283 |
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Lung cancer is a disease of uncontrolled cell growth in tissues of the lung. This growth may lead to metastasis, which is the invasion of adjacent tissue and infiltration beyond the lungs. The vast majority of primary lung cancers are carcinomas of the lung, derived from epithelial cells. Lung cancer, the most common cause of cancer-related death in men and also the most common in women, is responsible for 1.3 million deaths worldwide
annually."WHO"> The most common symptoms are shortness of breath, coughing (including coughing up blood), and weight loss."Harrison">
The main types of lung cancer are small cell lung carcinoma and non-small cell lung carcinoma. This distinction is important, because the treatment varies; non-small cell lung carcinoma (NSCLC) is sometimes treated with surgery, while small cell lung carcinoma (SCLC) usually responds better to chemotherapy and radiation."Cancer Medicine"> The most common cause of lung cancer is long-term exposure to tobacco smoke."Merck"/> The occurrence of lung cancer in nonsmokers, who account for as many as 15% of cases "Thun">, is often attributed to a combination of genetic factors,"Gorlova">"Hackshaw"> radon gas,"Catelinois"/> asbestos,"OReilly"/> and air pollution,"Kabir">"Coyle">"Chiu"> including secondhand smoke.
Lung cancer may be seen on chest radiograph and computed tomography (CT scan). The diagnosis is confirmed with a biopsy. This is usually performed via bronchoscopy or CT-guided biopsy. Treatment and prognosis depend upon the histological type of cancer, the stage (degree of spread), and the patients performance status. Possible treatments include surgery, chemotherapy, and radiotherapy. With treatment, the five-year survival rate is 14%."Harrison"/>
Classification
The vast majority of lung cancer read more at » http://en.wikipedia.org/wiki/Lung+cancer
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