Is the question over the validity of Polish programs because there is not many people here that post from those schools?

I know 3 guys who went to school in Poland, completed a 4yr program and are now back in the U.S.. I know 1 of them got a plastic surgery residency, his first choice of placement. The other 2 got into a residency program, but I do not know their status. I also have another friend who just left for Poland. Unfortunately I don't know the school that they attended. I will find out shortly.