主要技术：包括细胞疫苗、分子疫苗、抗肿瘤抗体、过继免疫疗法、细胞因子疗法等。
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Upper body X-ray demonstrating lung most cancers during the remaining lung Most cancers are in the beginning identified both as a result of look of indications or signs or by screening.[one hundred twenty five] Neither of these results in a definitive diagnosis, which requires the examination of a tissue sample by a pathologist.
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。
People who report a higher Standard of living are likely to survive for a longer period.[209] Those with decrease quality of life could possibly be impacted by despair and also other issues and/or illness development that both equally impairs good quality and amount of lifestyle. Additionally, clients with worse prognoses may very well be 癌症 depressed or report poorer Standard of living given that they understand that their situation is probably going to become fatal.[citation needed]
癌症篩檢，是希望在一般大眾身上提早找出潛在未發現與早期無症狀的癌症。所進行的測試必須適合廣大民眾能夠負擔，並且安全，無侵入性而且不易有假陽性結果產生。一旦發現癌症的跡象，更精確的後續檢驗，或使用侵入性手術取得組織切片以確定篩檢結果則是必要的。
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。
癌症是全球排在第二位的死亡原因。不过，随着癌症筛查、治疗和预防的改进，多种癌症的生存率有所提高。
Genetic alterations can arise at different stages and by unique mechanisms. The acquire or loss of a whole chromosome can take place through mistakes in mitosis. Extra popular are mutations, that happen to be changes inside the nucleotide sequence of genomic DNA.
通过化疗有可能治愈或疗效较好，适用于绒癌、白血病、淋巴瘤、多发性骨髓瘤、胚胎性横纹肌肉瘤、睾丸癌、尤文肉瘤、神经母细胞瘤、小细胞肺癌等。
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Which remedies are used will depend on the kind, area and quality on the cancer together with the affected individual's health and fitness and Tastes. The treatment intent might or might not be curative.[citation desired]
癌症的临床症状与发病部位、病变大小、是否转移等因素相关，早期可能无显著症状，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。
结构重建与功能康复术：在保证治疗效果的基础上进行，以提高患者生存质量，如乳腺癌术后结构重建、喉癌发声重建术等。