There are a few lucky people who survived very dangerous illnesses and scientists are studying their blood to see if they can find the reason

https://www.thetimes.co.uk/article/75e23648-8479-11ed-bb21-8f4d97ec7b02?shareToken=6c27b8b2c36ca44e21266f9c061f48ed

Patient 82 should be dead. At the age of 63 he was diagnosed with pancreatic cancer. In most cases, he would not have lasted a year. But seven years on, patient 82 is alive. Not merely alive — thriving.Patient 82 should be dead. At the age of 63 he was diagnosed with pancreatic cancer. In most cases, he would not have lasted a year. But seven years on, patient 82 is alive. Not merely alive — thriving.