恶心。某些癌症和癌症治疗会导致恶心。医生有时可以预测您的治疗是否可能会引起恶心。药物和其他治疗可帮助您预防或减少恶心。
Genetic variations can take place at various ranges and by distinctive mechanisms. The acquire or lack of an entire chromosome can manifest by mistakes in mitosis. Additional popular are mutations, which can be changes inside the nucleotide sequence of genomic DNA.
Some alternate therapies are already investigated and demonstrated to be ineffective but still continue to become marketed and promoted. Cancer researcher Andrew J. Vickers stated, "The label 'unproven' is inappropriate for these types of therapies; it's time to claim that many substitute cancer therapies have been 'disproven'."[204]
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In America, cancer is integrated to be a secured condition with the Equal Work Option Fee (EEOC), primarily a result of the potential for cancer possessing discriminating outcomes on employees.[253] Discrimination from the place of work could take place if an employer retains a Phony belief that an individual with cancer is just not able to performing a work properly, and should check with for more Unwell depart than other personnel.
全身性的症狀：體重減輕、食欲不振、惡病體質、大量出汗（夜間盜汗）、貧血
現代人工作忙碌，飲食習慣差，多為外食、重口味並常延遲用餐，加上生活壓力大、熬夜、作息不穩定，以及長期久坐、缺乏運動等，這些不良生活習慣都會增加罹癌風險。
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。
Neighborhood signs and symptoms could happen mainly because of the mass with the tumor or its ulceration. As 癌症 an example, mass effects from lung most cancers can block the bronchus resulting in cough or pneumonia; esophageal cancer could potentially cause narrowing on the esophagus, making it tricky or unpleasant to swallow; and colorectal most cancers may possibly lead to narrowing or blockages inside the bowel, affecting bowel habits. Masses in breasts or testicles might develop observable lumps.
大约三分之一的癌症死亡源自烟草使用、高体重指数、酒精消费、水果和蔬菜摄入量低以及缺乏身体活动。此外，空气污染是肺癌的一个重要危险因素。
癌症預防的目標就是減低癌症的發生。包含減少接觸致癌物的機會，改變飲食及生活習慣，或是醫療技術的進步（超音波、核磁共振攝影、X射線斷層成像或正電子發射電腦斷層掃描等檢驗）。
There may be an association between celiac disease and an elevated possibility of all cancers. People with untreated celiac disorder have the next hazard, but this possibility decreases with time right after analysis and stringent procedure. This may be due to the adoption of a gluten-no cost diet regime, which seems to have a protective job in opposition to the event of malignancy in people with celiac sickness.
Taller individuals have an elevated chance of most cancers as they have extra cells than shorter individuals. Considering that top is genetically decided to a considerable extent, taller folks have a heritable increase in cancer threat.[88]
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。