. >> the year before the team at penn ha had treatied their first patient, emily whitehead. >> she had a few weeks. >> no option for treatment? >> this is it. >> this is it. >> dr. stephen grupp took care of emily at children's hospital of philadelphia. >> at the time she came to us her leukemia was completely out of control and not responding to any rrming therapy. >> the little girl grew even sicker as the new killer t cells battled her cancer. >> she was as sick as you could be without actually dying. she was in an intensive care unit receiving absolutely amazing care from our docs. multiple organs were failing, she was comatose, the family were told to gather in her reflts because she wasn't likely to survive until the next day. >> her doctors fought just to keep her alive in in what they would call the storm before the calm. on her seventh birthday emily awoke from her coma. >> we did a test and there weren't any cancer cells and there never have been ever since. >> none at all? >> no cancer that we can detechnicality in her bone marrow anywhere. >> two weeks later bob levis had h

. >> the year before the team beat emily whitehead, the first child. she had days to weeks left. everything that had been tried did not work. the patients we treat are patients that have no other options for treatment >> this is it. >> this is it. >> dr steven grump a paediatric specialist took care of emily. at the time she came to us her leukaemia was out of control, and not responding to chemotherapy. >> was she destined to die? >> there was no treatment option and for places like her, unfortunately they succumb to the disease. emily's blood as treated with the aids infusion. >> she was as sick as you can be without dying. she received marvellous air from the icu ducts, and was honestly at death's door. >> she was on life support. multiple organs were failing. she was como toed. the family was told to gather in her relatives because she was not likely to survive. >> hor doctors fought to keep her alive in what they called the storm before the calm. on her seventh birthday emily woke from her coma. >> three weeks after the t-cells we did a test and there were no leukaemia cells

including 8-year-old emily whitehead. in 2012 she was within days of complete organ failure when she got this new treatment called targeted cellular therapy. the short-term sidesques can be miserable. most patients have severe flu-like symptoms like emily did. but her parents say it was worth it. >> emily is doing amazing. she is in 3rd grade. she was able to keep up with her class. she's really just a normal child right now. >> reporter: doctors say proving this is a cure will require following these patients and others for years. most agree the approach is the new frontier in fighting leukemia and other cancers. >> i'm in complete remission. and that's a good place to be after being on death's doorstep just a few months ago. >> reporter: for bob and his family, it's the gift of life. during a holiday season he thought he would never see. dr. nancy snyderman, nbc news, new york. >>> and we're back in just a moment with the new additions to the shrine of the greatest of all time. >>> tonight the federal government has sol

remember the whitehead loads that come at you looking bright, those are best. beams in snowy weather, not the high beams. >> i hate the headlights though. i can't see a darn thing. >> good for now. not good for someone -- gerri:a exactly. invest in winter tires. what do i need to know about those? >> winter tires make a lot of sense f you see winter two to three times a year, make sense in buying winter tires. not buying cheapy tires and you get exactly what you pay for, pretty much true in any product. buying 69-dollars tire you get $69 snow tires. i purchased four new snow tires for all-wheel drive. i live in buffalo. that is where i am today. it is snowing like crazy and my daughter driving home from college. she has four snows on the car. people are all over the road and in the ditch. if you're driving in snow, get winter tires. gerri: i like the all wheel drive. want to ask you about something. >> yeah. gerri: you. are the perfect person i think. gm, has just put a woman at the head of the company. what do you make of that? >> yes. i think mary barra is an