By DENISE GRADY Celine Ryan at her home in Rochester Hills, Mich., this week. She is now cancer-free after immunotherapy treatment. CreditLaura McDermott for The New York Times 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 ofContinue reading “1 Patient, 7 Tumors and 100 Billion Cells Equal 1 Striking Recovery”