If you look at the way Grail is planning to do business - they are hoping to get approval from Medicare. Annual tests at $847 per enrollee.
This would be unaffordable, unless Medicare rates were raised by a whole bunch.
By the way - there are cancer cells present in almost everyone. It is only when the immune system can not overcome the cancer that the host (patient) is in trouble.
Yes, but that is only the beginning. When the first Hep C pill came out, the price was $80K. But when two other drug companies came out with competing pills, all of a sudden the price was $25K, or less if you were a national health system with bargaining power.