Cancer cells from a patient at the university's hospital were more than just surviving.
VOA: special.2010.07.21
The NCIN is a new project that will bring together up to 22 million NHS cancer records from the 30 cancer networks in England to create the world's largest patient-based cancer data.
"It's a therapy that represents no side effects to the patient and it's harnessing entirely the patient's own immune system to fight the cancer, " Kwak said.
The presence of these rare "circulating tumor cells" may indicate that a patient's cancer is metastasizing, spreading from the breast, say, to the lungs.