Precision Cancer Medicine: Les's Story

Les was diagnosed with GIST (gastrointestinal stromal tumor) more than 20 years ago. After several surgeries, his cancer returned and surgery was no longer an option. Les entered a clinical trial for a targeted therapy and after 14 years on the now FDA-approved drug called Gleevec, he continues to enjoy his grandchildren and fishing. Learn how Dana-Farber/Brigham and Women's Cancer Center is delivering on the promise of cancer precision medicine.