1) Solid tumors only so far.
2) Pinky and the Brain may object: mice are similar to people, but they are still different.
I agree in general that stimulating the patient's *own* immune system (CAR-T cells) is a great approach: but it costs $500,000. I don't know how much standardization of processes/equipment could bring that cost down.
I think our research is much further along that we know.