"My operation got cancelled twice on separate dates"

After 3 years on the waitlist, I finally receive a call that i will be doing my operation, so i proceed with taking sick leave of work and fly back here for the dates stated by the hospital for them to cancel on me a day before the operation. That was the first time.

The second time, i went through all the process, all the way to being ready to go to the operation theater, i fasted since midnight the night before (no food or water) got to the hospital got put in the gown and compression socks and waited for my turn to get in the theater room for approximately 4 hours. Untill a doctor came to me saying it’s getting late and they will not be able to do it that day.

This is twice now i take sick leave from work put my life on hold for the 2/3 weeks of recovery after 3 years of wait. And when I asked the doctor to actually write a letter stating why it hasn’t been done that day so i can send it to my work, they seemingly refused to put effort in and only wrote operation got cancelled on the day which I feel puts me in the blame in front of my employer. I almost feel humiliated for this to happen twice. I am not sure if it due to pressure or due to lack of organisation, but in my opinion, something needs to change.