On this day five years ago, I got the news that a recent lung biopsy showed that my lungs were inflicted with a severe form of graft versus host disease (GVHD) called bronchialitis obliteran syndrome (BOS). BOS, I came to find out, was a known but uncommon side-effect resulting from a bone marrow transplant (for leukemia) that I had had earlier in the year. And by severe I was told it meant the BOS was incurable, non-reversible, and, in most cases, aggressively fatal. I was also told — because I had asked and insisted on an answer — that, according to a National Institutes of Health (NIH) study of the time, BOS had only a 13%, five-year survival rate. In other words, there was an 87% chance that within five years I would be dead.

Well, it’s been five years and here I am – a newly…