Thank you all so very much for your reassurances. It has really helped me. Our endo is very much involved. She will be there for the surgery to oversee. And, she has discussed our son's situation with the anesth. & surgeon. So, I believe we are covered. But, your words have done more to calm me than anything they have said, because you all have been there. God bless you all. May your children all stay in good health. p.s. I'll post an update after the surgery.