手术治疗主要用于去除瘤灶，达到治疗的目的，同时也适用于癌症的预防、诊断、 分期、术后结构重建与功能康复等。这种方法不存在生物抵抗性；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。但是会破坏正常组织；可有手术并发症，可致畸形、影响正常功能，甚至 危及生命；已有转移者，不能完全治愈；重要器官无法彻底切除。
Local signs or symptoms may occur mainly because of the mass in the tumor or its ulceration. As an example, mass effects from lung most cancers can block the bronchus leading to cough or pneumonia; esophageal cancer may cause narrowing of the esophagus, which makes it tough or agonizing to swallow; and colorectal cancer could cause narrowing or blockages inside the bowel, influencing bowel practices. Masses in breasts or testicles may perhaps develop observable lumps.
A mutation during the error-correcting equipment of the cell may induce that cell and its kids to accumulate problems far more rapidly.
大脑和神经系统问题。癌症会压迫到附近的神经，导致身体某一部位疼痛和丧失功能。累及大脑的癌症可能导致头痛和卒中样体征和症状，例如身体一侧无力。
[188] The performance of chemotherapy is usually restricted by its toxicity to other tissues in the human body. Even when chemotherapy does not offer a long term heal, it may be handy to lessen indicators for example soreness or to reduce the dimensions of the inoperable tumor inside the hope that operation will turn out to be feasible Sooner or later.[citation required]
以放疗为主要手段来杀灭瘤细胞，达到治愈的目的。适用于鼻咽癌、头颈部癌症、前列腺癌、宫颈癌、肛管癌、肺癌、食管癌、恶性淋巴瘤、皮肤鳞癌、骨巨细胞瘤等。
梗阻：与瘤体增大堵塞正常腔道有关，如胃肠癌梗阻引发呕吐、排便困难，胰头癌胆汁排出受限引发黄疸等。
Most cancers diagnosis might cause psychological distress and psychosocial interventions, which include talking therapy, might assist people with this.
确定用于癌症预防和控制的“最合算措施”和其他具有成本效益的重点策略；
Woodland Park Zoo recognizes that these are definitely the lands in the Tribal signatories with the Treaty of Point Elliott. We acknowledge their stewardship of this position carries on to at the present time and that it's our duty to affix them to restore the relationship While 癌症 using the living entire world all-around us.
癌症是以异常细胞生长为特征的众多疾病的统称，这些异常细胞会失控地分裂，并能浸润和毁坏正常身体组织。癌症通常可以扩散到全身各处。
Palliative treatment is remedy that attempts that can help the patient really feel superior and may be coupled with an make an effort to deal with the cancer. Palliative treatment features motion to reduce physical, psychological, spiritual and psycho-social distress.
Pour se mettre un peu à l’horizontale, profiter de la mer et des cocotiers, passer quelques jours sur les îles les in addition proches de la capitale :
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。