My Husband Has A Hydroseal. 10 Years Ago He Had

My husband has a hydroseal. 10 years ago he had surgery for what was thought to be a hernia. It turned out to be a hydroseal. We are going to a urologist on Monday and our family doctor said he has a hydroseal and hernia. Obviously he does not want surgery again. What is the normal treatment for hydroseal. What is the difference in a hernia and hydroseal