135 pts w/ neurologic autoimmune dz (MS, GBS, myasthenia gravis) who had cancer & Rx w/ checkpoint inhibitors (ICI) showed exacerbations in SOME - 18% of MS pts, but 67%of MG, latter often w/ hospitalization (50%) or death (17%). GBS faired well w/ ICI Rx. https://t.co/RksC6QXce0 https://t.co/mYjzgxbcdQ