What Can Cancer Specialists Learn From Patients Who Beat All The Odds?

"If my life were to end next week ... I want to feel like I have made a contribution," said Carol Martin, seen here holding her 2018 Boston Marathon medal.

A Harvard Medical School project aims to become the first national registry for exceedingly rare cancer patients who respond mysteriously well to treatments that failed to help others.

(Image credit: Jesse Costa/WBUR)