Autoantibodies are underrated in rheumatic irAEs (?B cells in general), but probably not your usual. If Ab are of interest, suspect we're going to have to look at non-classical ones Elegant from @NilashaGhosh @MPostow @got_rheum @lovetolearn27 #ACR21 ABST1520 ABST1521 @RheumNow https://t.co/tLSJOZw1YG