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

我知道这不是良性的。肯定是恶性肿瘤。

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

那么，在恶性骨肿瘤中，最常见的是骨肉瘤。

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

2004年7月，他接受了胰腺恶性肿瘤的切除手术。

A blood test for cancer antigen 125 might be done to rule out a malignant ovarian tumor.

抽血检查肿瘤抗原125可用来排除恶性肿瘤。

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

恶性肿瘤通常会引起慢性炎症反应，导致发热、盗汗和体重减轻。

The malignant type of serous tumors are called serous cystadenocarcinomas, and malignant mucinous tumors are called mucinous cystadenocarcinomas.

恶性浆液性肿瘤被称为浆液性囊腺癌，而恶性黏液性肿瘤也称黏液性囊腺癌。

Compared with benign tumor cells, a distinguishing feature of malignant tumor cells is that they have slightly less organized nuclei.

与良性肿瘤相比，恶性肿瘤的特征是其拥有稍微不规则的胞核。

It's got to be a malignant tumor.

应该是恶性肿瘤。

Surgery might be enough for malignant tumors confined to the ovary, whereas chemotherapy may be needed for disease that spread.

手术足以治疗仅局限于卵巢内的肿瘤，而化疗则是针对癌细胞已经发生扩散的情况。

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

但有些变成了恶性肿瘤细胞，即癌细胞：它们穿破基底膜，侵犯邻近组织。