癌症是一组可影响身体任何部位的多种疾病的通称。使用的其它术语为恶性肿瘤和赘生物。癌症的一个决定性特征是异常细胞快速生成，这些细胞超越其通常边界生长并可侵袭身体的临近部位和扩散到其它器官。后者被称为转移。广泛转移是癌症死亡的主要原因。

世卫组织和国际癌症研究机构与包括国际原子能机构在内的其他联合国组织和伙伴合作，以便：

The findings that final result rely on cancer's sort and location. Handful of signs or symptoms are precise. Many often take place in individuals who have other disorders. Most cancers is usually tricky to diagnose and can be considered a "fantastic imitator".[33]

Those with most cancers have an elevated hazard of blood clots of their veins that may be lifestyle-threatening.[210] Using blood thinners which include heparin lower the risk of blood clots but have not been proven to raise survival in people with most cancers.[210] Individuals who get blood thinners even have an elevated chance of bleeding.[210]

[188] The effectiveness of chemotherapy is often constrained by its toxicity to other tissues in the body. Even if chemotherapy will not provide a long-lasting cure, it could be beneficial to reduce indications for instance ache or to decrease the dimension of the inoperable tumor in the hope that operation will come to be possible Sooner or 癌症 later.[citation essential]

The zoo gives many family members-helpful ordeals, which include seasonal gatherings, carousel rides, and a Zoomazium indoor Enjoy Room for children. Its deal with making partaking and informative experiences guarantees an enriching stop by for guests of any age.

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。

For the protection of our animals, no Animals—except for support animals—are permitted on zoo grounds. See the assistance animal guidelines

癌症治療會有許多後遺症，過程十分不易，因此治療後的照顧相當重要，包括疼痛控制、改善食慾、心理調適等，需要不同醫療團隊的合作，提高癌症病人的生活品質。（延伸閱讀：不是放棄治療！剖析緩和與安寧照護的真相）

知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。

癌症发病率随着年龄的增长而急剧上升，这很可能是因为特定癌症的风险随着年龄的增长而增加。随着年龄的增长，整体风险不断积累，而同时细胞修复机制的有效性则呈下降趋势。

癌症的存活率，會因腫瘤長的位置、大小、數目及癌症的分期而有不同，一般來說，只要早期發現，治癒率就越高；根據統計，發現許多癌症零期（原位癌）的病人，五年存活率幾乎接近百分之百，不過存活率會隨著期別愈晚而降低。（延伸閱讀：原位癌是什麼？剖析癌症進化史）

作为加速消除宫颈癌全球战略的一部分，提供全球领导和技术援助，支持各国政府及其合作伙伴建立和维持高质量的宫颈癌控制规划；

发热：以低热多见，通常不需处理。典型淋巴瘤患者可有发热、盗汗、体重减轻症状。