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。
These nanodrones are created to harness the power of natural killer (NK) cells, which Perform an important position in the body's immune response against tumors. By directing these NK cells precisely to your web sites of tumors, the nanodrones can correctly focus the immune process's assault to the cancer cells, probably leading to better results for people.[270]
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。
体重减轻。癌症和癌症治疗可能导致体重减轻。癌症肿瘤会夺取正常细胞的营养。这通常不受摄入多少卡路里或吃哪类食物的影响，而且难以治疗。在大多数情况下，通过管子将人工营养输入胃或静脉中并不能帮助改变体重减轻的状况。
确定治疗目标是重要的第一步。主要目标通常是治愈癌症或显著延长生命。改善患者的生活质量也是一项重要目标。这可通过为患者提供身体、社会心理和精神健康支持以及在癌症末期提供姑息治疗来实现。
There exists an association in between celiac disease and an elevated possibility of all cancers. Individuals with untreated celiac disorder have a better danger, but this hazard decreases with time after analysis and stringent treatment. This can be due to adoption of the gluten-free of charge diet program, which seems to have a protecting position against the event of malignancy in people with celiac disorder.
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。
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。
The term emanates from The traditional Greek καρκίνος, indicating 'crab' and 'tumor'. Greek physicians Hippocrates and Galen, among the Many others, observed the similarity of crabs to some tumors with swollen veins. The word was introduced in English in the trendy health care sense all around 1600.[28]
Little-scale mutations incorporate level mutations, deletions, and insertions, which may come about within the promoter region of the gene and impact its expression, or could take place inside the gene's coding sequence and change the functionality or steadiness of its protein products.
[238] People today from Asian and South American countries also are inclined to like a slower, much less candid approach to disclosure than is idealized in the 癌症 United States and Western Europe, they usually feel that in some cases it would be preferable not to be informed about a cancer analysis.[238] In general, disclosure from the diagnosis is a lot more prevalent than it had been from the 20th century, but complete disclosure from the prognosis is not offered to lots of clients world wide.[238]
活體組織切片後取下的組織，經染色後由病理醫師判讀，此圖所示為惡性黑色素瘤之切片 病患可能經由許多症狀或檢驗結果被懷疑罹患癌症，但診斷惡性腫瘤最確定的方式就是經由病理醫師對活體組織切片或經手術取得的組織做病理檢查來證實癌細胞的存在。許多活體組織切片，例如皮膚、乳房或肝臟等，在醫師的診療室內即可取得。但是其他器官的切片，則需要在麻醉情形下在手術室進行。
Contrary to treatment method that is definitely aimed toward instantly killing cancer cells, the key purpose of palliative treatment is to enhance Standard of living.
Although epigenetic alterations are found in cancers, the epigenetic alterations in DNA repair service genes, triggering lowered expression of DNA restore proteins, may very well be of unique value.