new kidney and it was his high school geometry teacher who ended up stepping in to help nbc's jessie kirschstruggled. >> i constantly was tired, i had low energy. >> reporter: the 15-year-old was born with a condition known as b.o.r. syndrome impacting his kidneys. >> i looked forward to seeing him play soccer and now him saying, i'm sorry, dad, i'm just too tired, it just really broke my heart >> reporter: it was clear roman needed a new kidney, but after months of waiting, his family couldn't find a donor. so they when public, roman's parents pleading for help. >> you would do anything for your kid. >> reporter: they were feeling desperate until late june when they got a surprise phone call. >> not only is there a donor, it's me, his geometry teacher. >> reporter: eddie mccarthy roman's math teacher heard the family's pleas. >> i think the guilt would have been so much if i was just like, hey, roman, praying for you. >> reporter: so without telling roman or his parents eddie went through extensive testing. >> i wouldn't want to get their hopes up. >> reporter: and learned he was a match.

our jessie kirsch brings us the latest >> reporter: the wildfires ripping across eastern washington state are unrelenting, different places have been raging outside spokane since friday, the largest the out of control gray fire, spanning more than 10,000 acres, tied to at least one death, also burning the oregon road fire and the far smaller wynonna fire the trio fueled by excessive heat and high winds, destroying dozens of structures with thousands ordered to evacuate like melissa thurmen who says her home turned down. >> i can't explain the feeling of knowing that everything you worked for is gone, you know, yeah so there's going to be insurance and stuff, but it doesn't make up for, you know, what you see when you see all of your stuff turned to ash. >> reporter: governor inslee touring an evacuation shelter. >> this has been horrendous fires, the wind, this fire moved 7 miles in one afternoon. >> reporter: earlier the national weather service reporting the spokane region's air quality was the worse in the u.s. and perhaps the whole world. another challenge for people fleeing danger. >