Do any commercial products show a high correlation to certain kinds of lymphoma and leukemia? "Both Gilead’s Yescarta and Novartis’ Kymriah were approved in 2017 for certain kinds of lymphoma and leukemia. But government and private health plans have balked at their high price of at least $373,000 for a one-time treatment before hospital costs, which can bring the bill for a single patient to over a million dollars." Does it work? How well? For how long?