so what now; they remove the node, yes? At least they have caught it early (good for you for going to the doctor regularly with this problem). Don't worry. I am sure they will be able to remove it and end the problem.
And it may seem silly, but try to visualize healing white light surrounding your throat and whole body; if nothing else this can help calm and center you and alleviate stress and worry, which we all know can contribute to physical problems.
Good luck and keep us posted!