brain lesions

In August, Jimmy Carter was diagnosed with melanoma in his liver and brain. These lesions were addressed directly, he was put on Keytruda and now the former president is in remission. But since this new drug costs about $150,000 per year, we ask: Shouldn't we be talking about this?
Based on a a Scientific Review Paper by John P. Blass, M.D., Ph.D. Director, Dementia Research Service Burke Medical Research Institute - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Executive Summary