I know it's not benign. It's got to be a malignant tumor.

我知道这不是良性。肯定是恶性。

Through a process called metastasis a malignant tumor's cells will eventually break off, travel throughout the body, and begin forming tumors in other regions.

通过转移，恶性最终会断裂，然后遍布全身，并开始在其他区域形成。

In July of 2004, he undergoes surgery to remove a malignant tumor in his pancreas.

2004年7月，他接受了胰腺恶性切除手术。

Another common cause of endogenous Cushing syndrome is tumors of the adrenal glands that make excess cortisol - like adrenal adenomas, which are benign tumors, and adrenal carcinomas, which are malignant tumors.

另一种常见内源性库欣综合征原因是肾上腺导致过多皮质醇分泌，比如肾上腺腺，一种良性，还有肾上腺癌，一种恶性。

Over time, just like with squamous cell carcinoma, mutations might accumulate in either tumor suppressor genes or proto-oncogenes that control the division of these metaplastic cells, ultimately resulting in a malignant tumor.

长此以往，和食管鳞癌一样，抑癌基因和原癌基因会积累一系列突变，那些控制着化生周期基因突变最终会导致恶性。

If the cell growth has the potential to spread to and invade other tissues, called metastasis, it's known as a malignant tumor, and is also more commonly known as a cancer.

如果有扩散并侵入其他组织（即转移）潜能，则被认为恶性，通常也被称为癌症。

Now, while medulloblastoma may be the most common malignant tumor, the most common primary pediatric tumor is a type of astrocytoma called a juvenile pilocytic astrocytoma.

尽管髓母可能是最常见恶性，最常见儿童原发脑是一种星形，称为青少年毛型星形。

Benign tumors can be surgically removed if they're causing symptoms, while the treatment for malignant tumors requires radiotherapy, chemotherapy, and surgery.

如果良性引起临床症状，可以手术切除，而恶性治疗需要放疗、化疗和手术。

Now, among malignant tumors, the most common one is osteosarcoma.

那么，在恶性骨中，最常见是骨肉。

As the cancer cells divide they can sometimes gain the ability to penetrate through the basement membrane, and at that point it's considered a malignant tumor.

当癌分裂时，它们有时能获得穿透基底膜能力，此时便被认为是恶性。

But some become malignant tumors or cancers, and these are the ones that break through their basement membrane and invade nearby tissues.

但有些变成了恶性，即癌：它们穿破基底膜，侵犯邻近组织。

Malignant tumors can either be primary which is when they arise from the bone cells, or secondary, which is when a tumor developed somewhere else in the body, metastasized, and spread to the bones.

恶性可以是原发性，即起源于骨，或者是继发性，即源于身体其他部位转移并扩散到骨骼而形成。

Malignant tumor cells can get into nearby blood or lymph vessels, and travel from the primary site to establish a secondary site of tumor growth somewhere else in the body - and that's called metastasis.

恶性可以进入邻近血管和淋巴管，从原发病灶到达身体其它地方，形成继发病灶，称之为转移。

Benign tumors can be surgically removed to reduce pain and the risk of fractures, while malignant tumors are treated with radiotherapy, chemotherapy, and surgery depending on the type and spread of the tumor.

良性骨可以手术切除，以减少疼痛和骨折风险，而恶性通过放疗、化疗和手术治疗手段，取决于类型和扩散程度。

Overall, the most common malignant tumor is a medulloblastoma, which typically forms in or around the cerebellum, adjacent to the fourth ventricle.

总体而言，最常见儿童恶性脑是髓母；它们通常在第四脑室旁小脑内或周围形成。

Malignant tumors typically cause a chronic inflammatory response which leads to fever, night sweats, and weight loss.

恶性通常会引起慢性炎症反应，导致发热、盗汗和体重减轻。

It's got to be a malignant tumor.

这肯定是恶性。

So four years later, in 1965, when she went to a gynecologist because she was having unusual bleeding, she was completely shocked to find that she had a malignant tumor.

所以四年后1965年， 当她因为异常出血去看妇科医生时，完全震惊地发现她有一个恶性。

The now  malignant tumor is no longer a pushover and has begun creating the Cancer Microenvironment.

现在已经变成恶性不再是一个容易对付目标，并且已经开始形成了癌症微环境。

Frequently, they are completely enclosed in a capsule of tissue and they typically do not pose danger to human life like malignant tumors (cancer) do.

它们（指良性）经常有完整包膜，它们通常不像恶性（）那样对人类生命构成危险。