癌症的治疗方法仍然是目前医学研究的前沿内容。准确诊断癌症对采取适当有效 的治疗措施必不可少，因为每种癌症类型都需要特定的治疗方案。癌症多采用综合 治疗，以外科手术、化疗、放疗相结合为主，有需要者可结合靶向治疗、生物治疗 等方法，以提高预后。适当选择治疗方案既要考虑癌症又要考虑接受治疗的个体 情况。我们也专门针对癌症的治疗方法进行总结与归纳，用通俗的语言为大家 介绍，详细内容参考链接()。在此，我们将简要介绍癌症治疗的分类方法。
The improved comprehension of molecular biology and mobile biology because of cancer exploration has led to new therapies for most cancers because US President Richard Nixon declared the "War on Most cancers" in 1971.
良性腫瘤指腫瘤細胞未發生轉移與侵入周遭組織的情形，反之則稱為惡性腫瘤，多數會影響生理功能的腫瘤都是惡性腫瘤。
The impacted genes are divided into two wide groups. Oncogenes are genes that encourage cell expansion and copy. Tumor suppressor genes are genes that inhibit cell division and survival. Malignant transformation can take place throughout the formation of novel oncogenes, the inappropriate more than-expression of regular oncogenes, or through the below-expression or disabling of tumor suppressor genes.
另類醫學的治療方式包含許多種類的系統或療法，此類治療以現代醫學標準的觀點來看，通常不被認為是有效及安全的。但是醫師仍然可以利用這樣的治療方法來「補充」標準治療所不能提供的，例如身體的舒適或是心靈上的平靜，重燃起患者對治療癌症的希望。
參加臨床實驗的病患有機會得到其所參與實驗的新療法的幫助，但是新的治療方式並不保證會有良好的結果，新療法也可能有未知的風險，嚴重的話甚至會導致死亡。但如果新療法成功的話，接受實驗的病人可能會最先受益。臨床實驗在美國有相當嚴格的進行規範，無論是在人選的選擇以及藥物劑量都有標準操作原則。以避免研究者為了加速研發新藥物，不顧病患的權益，貿然在人體上進行高風險的新療法測試。實際上有許多例子也顯示，即使是通過嚴格標準篩選出可進入臨床實驗階段的抗癌藥物，在臨床上的結果並未如預期的有效。這樣的結果也反映癌症的多原性以及人體系統的複雜度，我們在抗癌藥物的研發上仍有漫長的路途要走。
梗阻：与瘤体增大堵塞正常腔道有关，如胃肠癌梗阻引发呕吐、排便困难，胰头癌胆汁排出受限引发黄疸等。
第三步——发育不良，除了增殖过度外，粉色细胞的后代在形状和方向上也出现 异常；该组织被称为发育不良。再一段时间过后，一种罕见的改变细胞行为的突变 发生了（紫色）。
Laser therapy works by using significant-intensity light to take care of cancer by shrinking or destroying tumors or precancerous growths. Lasers are most often applied to deal with superficial cancers which can be around the area of the human body or the lining of inner organs. It really is made use of to take care of basal mobile pores and skin cancer and the pretty early phases of Other people like cervical, penile, vaginal, vulvar, and non-small cell lung most 癌症 cancers. It is often combined with other treatments, for example medical procedures, chemotherapy, or radiation therapy.
癌症已成为威胁人类生命健康的重要疾病之一，早期患者经及时有效治疗有可能痊愈，中晚期患者较难治愈，复发及转移率高，但经积极治疗能延缓病变进展，提高生存率。
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The Dutch professor Francois de la Boe Sylvius, a follower of Descartes, believed that all disorder was the result of chemical processes and that acidic lymph fluid was the cause of cancer. His up to date Nicolaes Tulp thought that most cancers was a poison that gradually spreads and concluded that it was contagious.[230]
烟草使用、酒精消费、不健康饮食、缺乏身体活动和空气污染是癌症（以及其他非传染性疾病）的危险因素。
It absolutely was found that furnishing combined cytotoxic medications is a lot better than only one drug, a method referred to as the combination therapy, which has a bonus inside the studies of survival and response on the tumor and within the development of the illness.