>>12924607Reading about the condition here
https://medical-dictionary.thefreedictionary.com/stenosis and considering the medical therapy being called a vaccine can and does cause clotting and inflammation of the cardiovascular system, I could guess the stenosis *could* be related to the 'vaccine'.
I am not a certified doctor, but read on the condition in the link, then read up on the side effects from the experimental gene therapy (vaccine) and connect the variables.
It's possible but there's no way to conclusively prove if it was the cause. That is the best answer you are going to get, fren.
Sorry for their ailment. I can only advise that you try to find them nutrition and natural or pharmaceutical medicine to help reverse the damage.
Pray for them too.