I removed a tumor in the duodenum, still small ...

I did some endoscopy and found a small carcinoid tumor in the duodenum. It was removed by endoscopy and a metal clip was placed. After 2 and a half months I did a new endoscopy, it consisted of metallic clip in a reddish area in the duodenal bulb, I await biopsy. I ask: Does this clip take a long time to leave the body? Is it possible to migrate to other areas of the body? Should I ask the doctor to remove it by endoscopy? Could this reddish area be a residual lesion of the tumor?
Expert answer:

This clip is now part of your body ... It is part of the suture that was made in your gut, it can not be removed. Reddish area is only an area of ​​red color.

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