臨床實驗，是在癌症病患身上進行新的治療方法的實驗，希望找出更好的方法治療癌症，協助癌症患者恢復健康。臨床實驗測試範圍包含新的治療藥物，新的手術方法或放射治療方式，重新組合不同的療法，或發展全新的療法，如基因療法。
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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。
癌症有超過一百個種類，一般可依據癌細胞原發部位來分類，例如肺癌、乳癌等；另外能根據不同組織或細胞做以下分類：
People who report a greater quality of life are likely to outlive for a longer time.[209] People with lower Standard of living could be affected by melancholy and also other problems and/or sickness progression that both of those impairs high-quality and quantity of life. Also, individuals with even worse prognoses might be frustrated or report poorer Standard of living given that they understand that their issue is probably going to become deadly.[citation desired]
Doable harms through the screening examination: as an example, X-ray pictures require exposure to perhaps harmful ionizing radiation
一些最常见的癌症类型，如乳腺癌、宫颈癌、口腔癌和结肠直肠癌等，如能早期发现并根据最佳做法进行治疗，治愈概率很高。
Kids can see Those people cheeky purple pandas Enjoy, or watch These tall giraffes reach the leaves. You can find playful primates, and sleepy hippos, there are Large animals such as grand lion, towards the teeny ocelot.
On 2 December 2023, Nano Right now revealed a groundbreaking discovery involving "NK cell-partaking nanodrones" for qualified most cancers cure. The development of "NK cell-partaking nanodrones" signifies a major leap 癌症 forward in most cancers cure, showcasing how reducing-edge nanotechnology and immunotherapy may be combined to focus on and eradicate cancer cells with unparalleled precision.
Complementary and substitute most cancers treatments are a diverse group of therapies, techniques and products which will not be Element of traditional medication.[202] "Complementary medication" refers to solutions and substances utilized in conjunction with conventional medicine, whilst "different medication" refers to compounds applied instead of standard medicine.[203] Most complementary and option medicines for cancer haven't been examined or analyzed applying common techniques which include medical trials.
二级预防是指癌症一旦发生，如何在早期阶段发现并予以及时治疗。包括：①对癌症危险信号（如持续性消化不良、绝经后阴道流血、大小便习惯改变、久治不愈的溃疡等）的认识和重视；②对高发区和高危人群定期检查；③发现癌前病变并及时治疗；④加强对易感人群的监测；⑤肿瘤自检（对身体暴露部位定期进行检查）。
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。
Radiation therapy is used in about half of cases. The radiation may be possibly from inside sources (brachytherapy) or external resources. The radiation is mostly minimal Power X-rays for treating pores and skin cancers, even though larger Power X-rays are used for cancers in the entire body.[193] Radiation is typically applied Besides operation and/or chemotherapy.
S'ils sont beaucoup moins nombreux aujourd'hui, on compte tout de même encore près de seven 000 pachydermes dans le pays, dont un peu moins de la moitié seraient encore sauvages.