There's a million podcasts out there about negligent butcher doctors. To be truly shocked, listen to Dr Death from Wondery to make a start: Dr. Duntsch https://wondery.com/shows/dr-death/season/1/

AND beware getting emergency surgery overseas.

I know a surgeon who warned that if for example you get appendicitis they'll take out other bits from you to claim more insurance money. I also know a person who appears to be a victim of this.

If you can possibly avoid it, go back home ot get surgery - assuming you live in a country with a trusthworthy medical system.