C’est un peu l’graphic d’Épinal de l’hébergement thaïlandais : un gentil bungalow en bois et en bambou tressé
您周围的环境可能含有会导致患癌风险增加的有害化学物质。即使您不吸烟，但如果您前往有人吸烟的地方或是与吸烟者同住，您也可能会吸入二手烟。家里或工作场所的化学物质（如石棉和苯）也会增加患癌的风险。
用于明确肿瘤性质、类型、分期等信息，可用细针抽吸术、穿刺术或切除活检术、前哨淋巴结活检术等获取标本。
第五步——浸润性癌，如果基因变化使肿瘤开始侵入下层组织，并使细胞脱落到血液或淋巴中， 则认为肿瘤已变成恶性肿瘤。癌变的细胞很可能在全身形成新的肿瘤（转移）；这些可能会因破坏重要器官而致命。
For many frequent cancers, the English organ identify is utilized. As an example, the most typical sort of breast cancer is termed ductal carcinoma with the breast. In this article, the adjective ductal refers to the looks of most cancers underneath the microscope, which indicates that it's originated inside the milk ducts.
如前所述，癌症源于正常细胞转变为肿瘤细胞的多阶段过程，通常从癌前病变发展 到恶性肿瘤。这些变化是一个人的遗传因素与三种外部因素相互作用的结果，外部 因素包括：
保持健康体重。超重或肥胖可能增加您患癌症的风险。通过健康饮食和定期运动相结合，努力达到并保持健康体重。
第三步——发育不良，除了增殖过度外，粉色细胞的后代在形状和方向上也出现 异常；该组织被称为发育不良。再一段时间过后，一种罕见的改变细胞行为的突变 发生了（紫色）。
第一步——基因突变，当正常细胞（米色）中的某些细胞（橙色）发生基因突变， 使其在正常状态下增殖的倾向增加时，肿瘤就开始发展了。
Radiation can result in most cancers in the majority of portions of the body, in all animals and at any age. Youngsters are twice as very likely to acquire radiation-induced leukemia as Grownups; radiation exposure before delivery has 10 periods the outcome.[seventy six]
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The health practitioner John Hill explained tobacco sniffing as the cause of nose most cancers in 1761.[229] This was followed by the report in 1775 by British surgeon Percivall Pott that chimney sweeps' carcinoma, a most cancers in the scrotum, was a typical disorder among chimney sweeps.
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如果能早期发现和治疗病例，则可降低癌症死亡率。早期发现包括两个部分，即：早期诊断和筛查。