<p>Six years ago, Donna Gustafson was diagnosed with pancreatic cancer one of the deadliest cancers. Today, she's cancer-free. She’'s one of 16 patients in an early clinical trial testing a personalized mRNA cancer vaccine&nbsp; designed to train the immune system to recognize and fight cancer.We hear from Donna and from the doctor leading the research, Dr. Vinod Balachandran, about what these early — but encouraging — results could mean. And we speak to Dr. Ramy Saleh, Associate Professor at McGill University, on how similar research is taking shape in Canada.</p><p><br></p>