手术治疗主要用于去除瘤灶，达到治疗的目的，同时也适用于癌症的预防、诊断、 分期、术后结构重建与功能康复等。这种方法不存在生物抵抗性；无潜在致癌可能； 不受肿瘤差异性影响；能提供准确的病理分期及组织学类型；适用于大部分未扩散 的肿瘤。但是会破坏正常组织；可有手术并发症，可致畸形、影响正常功能，甚至 危及生命；已有转移者，不能完全治愈；重要器官无法彻底切除。
A nicely-recognised example of This is actually the Philadelphia chromosome, or translocation of chromosomes 9 and 22, which occurs in Persistent myelogenous leukemia and results in production of the BCR-abl fusion protein, an oncogenic tyrosine kinase.
局部症狀：異常腫塊或腫脹（腫瘤），出血，疼痛和潰瘍。因為腫瘤壓迫周遭組織所引起的症狀，如黃疸。
肿块：常为位置表浅肿瘤的首发症状，位置较深者不易发现，生长快，易转移，可在短时间内出现一处或多处较大肿块。
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例如，如果您遗传了一种使您易患癌症的基因突变，并不意味着您一定会患癌症。可能需要有一个或多个其他基因突变才会引起癌症。当您接触某种致癌物质时，您的遗传基因突变可能使您比其他人更容易患癌症。
化学致癌物，例如石棉、烟草烟雾成分、酒精、黄曲霉毒素（一种食品污染物）和砷（一种饮水污染物）；
These straightforward-to-use well being evaluation applications can help you gauge essential elements of your overall well being and wellness.
您可以通过改变这些习惯来降低患癌风险，尽管有些习惯比其他习惯更难改变。
包括新辅助化疗、围手术期化疗、辅助化疗、根治性化疗、诱导化疗、巩固性化疗、姑息性化疗、维持化疗、转化性化疗、低剂量节律化疗等。
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The Dutch professor Francois de la Boe Sylvius, a follower of Descartes, thought that all sickness was the result of chemical procedures Which acidic lymph fluid was the reason for most cancers. His modern day Nicolaes Tulp 癌症 thought that cancer was a poison that gradually spreads and concluded that it had been contagious.[230]
Test the day-to-day functions when you arrive so that you can program your working day all around them! You'll find feeding experiences, and even an exciting carousel!
通过穿刺、活检或根治手术获得病变组织，结合免疫组化染色、特殊染色、分子病理检测等，能明确癌症的类型、分化程度、分期等信息，以指导临床下一步治疗。