"Surgeons at the University of California San Diego Medical Centre threaded tiny instruments, including a camera, down Mr Scholz's throat. After emptying his stomach they cut into its lining to cut away the inflamed appendix. The rogue organ was placed in a bag and pulled back up though Mr Scholz's stomach and throat and out of his mouth."
Appendix operation through the mouth| News | This is London
My then 8 year old daughter had her appendix out in March '07. She had to stay in the hospital for 2 days and then developed a pus pocket on her incision.