Hi there... My opinion.. have it removed. I am assuming the biopsy you had to this node was an FNA - they are a valuable tool in diagnosis, but not 100% accurate in that they are only as good as the tissue removed. So if the node had only a little cancer in it at the time, then it could have missed it. Rather than take a wait and see approach (cancer can be aggressive, and move quickly, and once it is in the nodes it has access to everywhere.) I would want it gone. The dangers of leaving it, outweigh any potential issues with removing it and a few friends. Assuming your ENT is experienced, and they are on the lookout for difficulties in healing.

hugs and best of luck.