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Treatment of lung cancer
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Treatment of lung cancer : ウィキペディア英語版
Treatment of lung cancer
Treatment of lung cancer refers to the use of medical therapies, such as surgery, radiation, chemotherapy, and palliative care, alone or in combination, in an attempt to cure or lessen the adverse impact of malignant neoplasms originating in lung tissue.
Lung cancer is an extremely heterogeneous family of malignant neoplasms, and well over 50 different histopathological variants are currently recognized under the most widely used typing system. Because these variants have differing genetic, biological, and clinical properties, including response to treatment, correct classification of lung cancer cases are necessary to assure that lung cancer patients receive optimum management.〔
Approximately 98% of lung cancers are carcinoma, or tumors derived from transformed cells of epithelial lineage. Currently, nearly four dozen different histopathological variants of lung carcinoma are recognized.〔 For clinical and treatment purposes, however, most oncologists tend to classify lung carcinomas into two major groups, namely small cell carcinoma (SCLC) and non-small cell lung cancer (NSCLC). This is done because of differing responses to treatment — NSCLC is comparatively less sensitive to chemotherapy and/or radiation, so surgery is the treatment of choice in these tumors. SCLC, in contrast, usually initially responds well to chemotherapy and/or radiation, but has usually metastasized widely by the time it is discovered, making surgery ineffective.
In a 2010 study of patients with metastatic non–small-cell lung cancer, "early palliative care led to significant improvements in both quality of life and mood. As compared with patients receiving standard care, patients receiving early palliative care had less aggressive care at the end of life but longer survival" which was increased by approximately 3 months.〔
There are typically three objectives applied to the treatment of lung cancer and can vary by patient and individual diagnosis. 1.)Curing lung cancer 2.) Controlling lung cancer 3.) Being comfortable.〔http://www.mylungcancersupport.org/treating-lung-cancer/your-lung-cancer-your-goals.html〕
==Surgery==
(詳細はthoracotomy, and specific named types of surgical interventions may be performed as part of the thoracotomy, such as wedge resection, segmentectomy, "sleeve resection", lobectomy, or pneumonectomy, depending on the tumor and patient characteristics.
Surgery is very rarely used in cases of stage 3b or stage 4 non-small cell lung carcinoma.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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