A doctor he met at a reading in El Paso, Texas, volunteered to remove that benign tumor he later fed to a turtle.

他在德克萨斯州埃尔帕索的一场读书会上还遇到了一位医生主动请求切除他后来喂给了海龟的那个良性肿瘤。

A third class of tumors are called borderline tumors because they have features that are intermediate between the other benign and malignant tumors.

第三类肿瘤是中性肿瘤，因为其特点介于其他良性和恶性肿瘤之间。

The leading cause of that is a pituitary adenoma, which is a benign tumor of the pituitary gland- and this specific condition is called Cushing disease.

垂体腺瘤是导致这一失常的主要原因，这是一种位于垂体的良性肿瘤，在这种特定情况下被称为库欣病。

There are two general types of tumors: benign tumors and malignant tumors. A benign tumor is composed of cells that will not invade other unrelated tissues or organs of the body, although it may continue to grow in size abnormally.

良性肿瘤和恶性肿瘤。尽管良性肿瘤可能会继续异常地体积增大，但他不会侵袭身体其他无关组织或器官的细胞组成。