CNN Sanjay Gupta MD December 14, 2014 12:47:00
Cell. this cell will grows in size and the cell will decrease in size. so there is the t cell gobbling it up. there is the cancer cell. >> that's amazing. >> so you're watching cancer cells die here. >> correct. >> you find the t cells and you're able to isolate them. is the idea then that you no he they do the job. you can come out and grow them proliferate them and put them back into the body? >> exactly. >> even though it's been two years now since david roy's original diagnosis, he's realistic about his chances of survival. but he's convinced this doctor and other scientists on track to dr...