癌細胞擴散至距離原始腫瘤遙遠的器官及組織。此時癌細胞流竄於全身，必需借助循環全身的化學治療藥物治療。安寧照護將是治療選項之一。
中医治疗作为我国的传统特色，我们也专门总结了一篇中医治疗方法(详见，放链接)。 中医主要用于治疗晚期癌症，包括肺癌、胃癌、肝癌、结直肠癌、乳腺癌、淋巴瘤、 食管癌、鼻咽癌等，有时还可联合化疗或放疗，以缓解不良反应，提高疗效。同时， 中医在术后恢复方面也有较好的应用效果。
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The influenced genes are divided into two broad categories. Oncogenes are genes that encourage mobile growth and reproduction. Tumor suppressor genes are genes that inhibit mobile division and survival. Malignant transformation can arise in the development of novel oncogenes, the inappropriate about-expression of normal oncogenes, or by the under-expression or disabling of tumor suppressor genes.
癌症早期症狀多不明顯，篩檢能夠早期發現癌症或其癌前病變，經早期診斷治療後，除了可以大幅降低死亡率外，也能阻止癌前病變細胞發展為癌症。
The zoo delivers different family-pleasant activities, such as seasonal functions, 癌症 carousel rides, in addition to a Zoomazium indoor Perform Place for kids. Its target producing participating and insightful experiences assures an enriching take a look at for company of any age.
姑息性手术：无法将原发灶或转移灶切尽，或因患者急性症状严重，必须先手术缓解，之后再争取根治手术。
癌症患者的临床表现与发病部位、大小、有无转移、发展时期等因素有关。病变早期多无显著症状，随病变进展，可出现肿块、疼痛、出血、梗阻等局部症状，以及发热、乏力、贫血、消瘦等全身症状。
從正常組織到腫瘤組織的形態變化 癌組織在顯微鏡下具有鮮明的外觀，主要是有大量分裂中的細胞、變大的細胞核、細胞大小與形狀改變、失去細胞特化的特徵、失去正常組織結構和細胞間的邊界變的不明顯。免疫組織化學染色法和其他分子生物學標記方法可根據腫瘤細胞的特徵提早發現腫瘤，而有助於診斷和預後。
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。
Some gradual-growing cancers are particularly typical, but usually usually are not fatal. Autopsy studies in Europe and Asia showed that approximately 36% of folks have undiagnosed and seemingly harmless thyroid most cancers at some time of their deaths and that eighty% of men develop prostate cancer by age eighty.
癌症源于正常细胞转变为肿瘤细胞的多阶段过程，通常从癌前病变发展到恶性肿瘤。这些变化是一个人的遗传因素与三种外部因素相互作用的结果，外部因素包括：
Radiation therapy is Utilized in about fifty percent of situations. The radiation might be both from inner sources (brachytherapy) or exterior sources. The radiation is most commonly low Electrical power X-rays for managing skin cancers, although larger Power X-rays are utilized for cancers throughout the human body.[193] Radiation is typically made use of in addition to surgical procedure and/or chemotherapy.
癌症預防的目標就是減低癌症的發生。包含減少接觸致癌物的機會，改變飲食及生活習慣，或是醫療技術的進步（超音波、核磁共振攝影、X射線斷層成像或正電子發射電腦斷層掃描等檢驗）。