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。
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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。
Human immunodeficiency virus (HIV) does not directly result in most cancers nonetheless it leads to immune deficiency which will Enlarge the risk as a result of other bacterial infections, sometimes around many thousandfold (in the situation of Kaposi's sarcoma). Importantly, vaccination against the hepatitis B virus and the human papillomavirus have been shown to almost eliminate the potential risk of cancers brought on by these viruses in individuals successfully vaccinated just before infection.
Replication of the info contained in the DNA of residing cells will probabilistically cause some mistakes (mutations). Intricate error correction and prevention are developed into the process and safeguard the mobile against most cancers.
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。
全身性的症狀：體重減輕、食欲不振、惡病體質、大量出汗（夜間盜汗）、貧血
Western conceptions of individuals' legal rights for people with cancer include a responsibility to fully disclose the health-related situation to the individual, and the appropriate to engage in shared conclusion-generating in a means that respects the person's personal values. In other cultures, other rights and values are most popular. For instance, most African cultures price whole people as an alternative to individualism. In aspects of Africa, a diagnosis is commonly created so late that remedy is impossible, and therapy, if accessible in the least, would promptly bankrupt the loved ones. Due to these elements, African Health care companies usually 癌症 Allow loved ones come to a decision no matter whether, when And the way to reveal the analysis, and they have a tendency to do so slowly and circuitously, as the person demonstrates desire and an power to cope Using the grim news.
原理：它可以通过激发、增强机体的免疫功能，达到控制、杀灭肿瘤的目的。
抽烟、饮酒、熬夜等不良习惯，以及性别、衰老和肥胖等生理因素，也是某些癌症的风险因素。
Environmental or Way of life components that triggered most cancers to acquire in a person may be determined by analyzing mutational signatures from genomic sequencing of tumor DNA.
In The usa and Several other cultures, cancer is viewed as a sickness that have to be "fought" to end the "civil insurrection"; a War on Most cancers was declared from the US. Military services metaphors are specifically common in descriptions of most cancers's human results, and they emphasize both of those the condition from the affected individual's health and fitness and the need to take rapid, decisive steps himself in lieu of to delay, to ignore or to rely solely on Other individuals. The military metaphors also support rationalize radical, destructive treatment plans.[242][243]
最近幾十年的研究中，最為確定的發現就是抽煙和癌症間密切的相關性，許多流行病學研究也已經證實這樣的關係。根據美國的數據顯示，隨著吸煙人數增加，肺癌的死亡率急劇升高。隨著近年來廣為宣導抽菸對身體的傷害之後，抽菸人口的減少，也反映在肺癌死亡率降低上。
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