Electro Magnetic Frequencies = EMF as in WiFi, bluetooths, wireless power-meters, microwaves and all that; wireless is super powerful and "dense" in these companies. It generates cancer.
We don't know if he said that.
He should have regretted not taking time off when he had to.
When metastases are in the brain too, it is difficult to think straight - so what he said toward the end is not very relevant.
Pancreatic surgery removes nearly the whole pancreas and half or more of the bowels.
Then they don't assimilate as a result and die even faster than they would have doing nothing at all.