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

我们初步判断他体内有个罕见的良性肿瘤。

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

让我们从最常见的良性肿瘤开始，即骨软骨瘤，多见于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瘤，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.

另个原因是功能亢进的甲状腺腺瘤，即滤泡细胞的生长开始不受控，个产生过量甲状腺激素的良性肿瘤。

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.

垂体腺瘤是导致这失常的主要原因，这是种位于垂体的良性肿瘤，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.

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