Thank you! He's doing great. Instead of a monthslong recovery from open heart surgery, he walked out of the hospital the next day and was back at school the following week. It was a relatively small defect, so the operation was really just to lower his lifetime risk of endocarditis.

I seem to have misremembered the country--it's Bolivia, not Peru. My apologies to the very talented weavers. Interesting article about it here: https://www.bbc.com/news/health-32076070