. >> reporter: husband mark puffer. >> they call debbie a rapid responder. >> rapid responder. >> reporter: puffer's improvement was not a fluke. 21% of 61 patients were still alive three years after %reatment compared to just 4% typically seen with standard care. could you ever have imagined having a response rate that high? >> it's just mind blowing to us that have been working on it for so long, because this is based on absolutely bedrock scientific principles. >> reporter: last year puffer was retreated when her tumor showed signs of returning. >> maybe this time we killed the dragon. >>m not sure. ro reporter: despite some memory and vision problems, she can now see a future. >> i'm meant to be here for a reason. i don't know what that reason is, but i'm sure going to hang around to find out. rk reporter: dr. jon lapook, cbs news, new york. >> glor: coming up next on the "cbs evening news," from san francisco, the homes are called million dollar dumps, but the prices keep going up. pid later, the medal of honor recipient that single-handedly beat back a nazi attack but kept his herois