@Tod ********
the hospital can write a suggestion letter. Ultimately it’s up to the immigration officers vast medical knowledge and personal opinion weather or not a extension is warranted. I have was in a almost identical situation. Let’s just say that the officer was NOT very compassionate, lacked medical skills and was not a believer in the concept of mental health. Visas at that time could only be extended 3 times again regardless of what the Dr. letter stated. A real power trip this Dr was on constantly reminding us that it was up to her, that the problem is really not that bad and that we were actually somehow burdening the system. As we were being told this another immigration officer had a medical emergency hangover that had to be dealt with. It was just was too much. I did complain to the hospital about this problem and the hospitals again can only suggest not guarantee anything. I went back for another extension because the first time my 90 day extension was only granted for 2 weeks. Upon going back the same medical immigration officer wasn’t happy that I complained to the hospital told me with pride that she had deported people that were in comas in the past 😳
my original 90 day letter from my medical Dr got turned into a 2 week then a 30 days and then 60 days. The 60 days was only after a very long drawn out process at the hospital where we just complained to everyone who was anyone at the hospital.
Thailand’s hospital’s promote themselves as a medical tourism but immigration laws are just not their to support industry.
That was just my personal experience in almost a exact similar situation where the operation was performed in Thailand.
Good luck and I hope your experience is better than mine was.