We have to remember that it’s a long way from concept to proving it really works to get it used by doctors in real life. We don’t know the answer to that yet, and, clearly, the researchers understand that they have more work to do. Leonard Lichtenfeld More Quotes by Leonard Lichtenfeld More Quotes From Leonard Lichtenfeld The real question is, if you don’t get all the cancer out, does that leave a place? A sanctuary, if you would, where tumor cells can stay and come back or even migrate to other parts of the body at a later time? Leonard Lichtenfeld science