Cancer is not really a disease, it's not a virus or a bacteria. It's just a collection of cells with broken apoptosis (cell death). While you could theoretical

Cancer is not really a disease, it's not a virus or a bacteria. It's just a collection of cells with broken apoptosis (cell death). While you could theoretically make cells do anything (within the limits of biology), stem cells is what you should be thinking of. Or nanobots.