Cancer ! - 1 Cristian Eraso June 16, 2010 Biology 1010 Lung...

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1 Cristian Eraso June 16, 2010 Biology 1010 Lung Cancer Lung cancer is a disease resulting from abnormal growth of cells in the lung tissue. This growth usually can result in metastases and infiltration into other tissues of the body. The most common symptoms are usually shortness of breath, cough, including coughing up blood, and weight loss, as well as chest pain, hoarseness and swelling in the neck and face. Lung cancer is classified into two main types, depending on the size and appearance of the malignant cells: the small lug cell cancer and non-small lung cell cancer. Other types are mixed, and metastatic. This distinction determines treatment and so, while the former usually is treated with chemotherapy and radiation, or by surgery, laser and photodynamic therapy. The most common cause of lung cancer is smoking, being 95 percent of patients with lung cancer. Sometimes, the occurrence of lung cancer is the result of combination of generic factors, random gas, air pollution Lung cancers are classified according to histological type. This classification has important implications for clinical management and prognosis of the disease. The majority of lung cancer is carcinoma which refers to an invasive malignant tumor consisting of transformed epithelial cells. Alternatively, it refers to a malignant tumor composed of transformed cells. The two most important cells are the Non-small cell lung carcinoma (NSCLC) and the Small cell lung carcinoma (SCLC). The small cell lung carcinoma is Small cell lung cancer--also referred to as "oat cell" lung cancer, because the cells resemble oats under the microscope accounts for
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2 nearly 20 percent of all lung cancers. There are a number of factors that may increase a person's risk of developing small cell lung cancer. According to the cancer treatment center of America
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This note was uploaded on 10/26/2010 for the course BIO 1010 taught by Professor Bradshaw during the Spring '10 term at Utah Valley University.

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Cancer ! - 1 Cristian Eraso June 16, 2010 Biology 1010 Lung...

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