I think he has a rare kind of tumor called a carcinoid.

我们初步判断他体内有一的良性肿。

Let's start with the most common benign tumor, which is an osteochondroma and commonly affects males under 25 years.

让我们从最常的良性肿开始，骨软骨，多于25岁以下的男性。

That's right. It's also entirely possible that there was some other kind of benign growth in her kidney and that started to bleed.

没错。她脏中长了其他种类的良性肿，而且开始出血，这是完全有可能的。

A different cause is a hyper functioning thyroid adenoma where the follicular cells start growing uncontrollably, forming a benign tumor that makes excess thyroid hormones.

另一原因是功能亢进的甲状，滤泡细胞的生长开始不受控制，形成一产生过量甲状激素的良性肿。

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.

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

The exact reason for the development of this sort of benign tumor isn't known - but unlike a malignant tumor - the cells don't invade neighboring tissues or spread to other parts of the body.

产生这种良性肿的具体原因还不清楚，但是和恶性肿不同的是，这些细胞不会转移到周围组织或扩散到身体其他部位。