first one was in 1948 and it was good until 1966.
now they line the area with an inorganic mesh. it prevents future problems and it helps keep the flies out.
you will probably be out of the hospital in a few days at most.
i believe they are doing these using a laparoscopic now.
http://www.laparoscopy.net/
good luck and try not to cough for a week or so.