There were microscopic metastases to the lung.

显微镜下见转移到肺。

Metastases are the major cause of death from cancer.

转移是癌症致死的主要原因。

Virtually all bone metastases are from carcinomas.

事实上所有骨的转移性病变都是癌。

Purpose: To evaluate the value of MRI in the diagnosis of brain metastases.

目的：探讨MRI对脑转移瘤的诊断价值。

Background: Metastases of renal cell carcinoma (RCC) to the thyroid gland are uncommon.

背景：肾细胞癌发生甲状腺转移并不常见。