HEALTH: 1 Patient, 7 Tumors and 100 Billion Cells Equal 1 Striking Recovery. “The remarkable recovery of a woman with advanced colon cancer, after treatment with cells from her own immune system, may lead to new options for thousands of other patients with colon or pancreatic cancer, researchers are reporting. Her treatment was the first to successfully target a common cancer mutation that scientists have tried to attack for decades. Until now, that mutation has been bulletproof, so resistant to every attempt at treatment that scientists have described it as ‘undruggable.'”