内视镜超音波检查发现此肿瘤源自于胃肠道壁的黏膜下层。

An endoscopic ultrasound showed that the tumor originated in the submucosal layer of the digestive wall.

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内视镜超音波检查发现此肿瘤源自于胃肠道壁的黏膜下层。

An endoscopic ultrasound showed that the tumor originated in the submucosal layer of the digestive wall.

youdao