1.The disease starts either as a cancerous tumor, or it starts when a cyst becomes cancerous.

该疾病源于癌性肿瘤，者源于囊肿癌变。

2.Most of the families.my friends have people that's cancerous.

几乎所有的家庭，我的朋友都有得癌症的人。

3.Doctors can also then test the polyp for cancerous cells.

医生然后通过息肉来检查癌细的存在。

4.Patients in the study first receive treatment to destroy cancerous cells.

该的患者首先接受摧毁癌细的治疗。

5.When they can't reproduce, cancerous cells dieoff instead of becoming dangerous.

若癌细无法复制，它们就会消亡从而不（对人体）造成威胁。

6.If you have DNA in a cell, and that cell is cancerous.

如果细内有DNA，而且细是癌细。

7.She had the cancerous tumor removed along with parts of her neck.

她切除了癌性肿瘤以及颈部的部分区域。

8.Bandi's investigation was expected to show an infection or a cancerous tumor.

班迪通过检查预计这名女子受到了患癌症。

9.Freckles are usually harmless, but some skin spots can be cancerous – connected to cancer.

雀斑通常是无害的，但一些皮肤斑可能会致癌——与癌症有关。

10.So cancerous tumors or cysts can't be seen or felt.

所以人们看不见也觉不到癌性肿瘤囊肿。

11.Benign or cancerous growths on your eyelid can cause the lid to turn outward.

眼睑上的良性癌性生长会导致眼睑向外翻转。

12.Doctors discovered and removed a large growth from his colon. The growth was cancerous.

医生在他的结肠发现了一大块生长物，并将之切除。这个生长物是恶性肿瘤。

13.This is an example of identifying cancerous areas of human tissue under a microscope.

这个是用显微镜识别组织癌变区的例子。

14.Doctors removed Kedian's cancerous larynx and replaced it with a donated one.

医生切除了凯迪安的癌变喉部，并用捐赠的喉部替换了它。

15.Let's look at a healthy liver cell, a healthy hair cell, and a cancerous cell.

让我们分别看看一个健康的肝细，一个健康的毛发细，和一个癌变细。

16.The apps also falsely identified plenty of benign growths as possibly cancerous. The findings are in the journal JAMA Dermatology.

且应用程序还误将大量良性增生判断为可能导致癌变。结果刊登在《美国医学会皮肤科》杂志上。

17.A drop of water on the pen pulls molecules from the suspected cancerous tissue during surgery.

在手术过程，在这种笔上滴一滴水就能从疑似癌症组织提取出分子。

18.And more cell divisions means more chances of mutations that could let a cell become cancerous.

更多的细分裂意味着更多可能导致细癌变的突变。

19.What about cancerous Nitrosamines already present in bacon, frankfurters or salami thanks to heat processing.

由于热处理，培根、法兰克福香肠意大利腊肠已经含有致癌的亚硝胺。

20.Many of these genes have been found by looking at cancerous cells.

这些改造过的基因被认为参与了这个过程。