Yeah, got appendicitis when I was nine.
I was in an airport about to fly home, but was being sick and had a pain on my lower right. My mother was (and is) a 'tough it out' kinda person, so so am I, so I tried to tough it out (and I mean, we would have missed our flight - she was/is a frugal person/tight arse). The flight was cancelled (poor countries can't do shit sometimes) and the pain got worse so we went to a clinic. Only, we couldn't take taxi as it was the king of that country's birthday. Worse still, the rickshaw we took had to go past the royal palace. It couldn't though, so I had to walk the rest of the way. At the clinic things were speedy, and my dad popped by (gave me some orange juice, lol). The blood test was quick, so I quickly ended up at a hospital.
The doctor at the hospital looked at it and felt it, and within half an hour I was going into the operating theatre. Obviously I didn't see it, by apparently my appendix had swollen to about the size of a fat sausage (it's supposed to be about the size of your little finger) and the doctor bounced it up and down on a surgical tray.
Now, being in a poor country my experience could have been terrible, but my parents paid a fair whack to get me a private room. It was nice other than the bed pan being rusty, thus making it look like I was pissing blood. Well that and my dad coming by to visit and bringing pizza, only to try not move from the sofa and try to get me to move out of bed for it; only I couldn't due to the pain (he wasn't mean, just being clueless).
I was out in under 72 hours.