在研究前后进行食道的组织活检。

All had a biopsy of the esophagus before and after the study.

youdao

食道的原发性黑色素瘤在临床上是不常见的，但却是极恶性且有不好的预后。

Primary melanoma of the esophagus is not frequently encountered clinically but rather high degree malignant that have a poor prognosis.

youdao

这项新系统包含了（进入）中食道的一块小的软RFID芯片，其置入后由内科医师取出。

The new system involves pinning a small, flexible RFID chip to the esophagus, where it remains until removed by a physician.

youdao

Now our gullets are shriveled.

现在我们的食道萎缩了。

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