Claims analysis of two datasets showed TNFi treatment in 1st two years after newly Dx breast cancer (n 2216) had no effect on overall survival (OS); but had signif better breast cancer survival (HR 0.28; 0.08–0.98) vs csDMARD Rx. Pts on GC worse OS (HR 2.18)… https://t.co/Kxk7Sy7ahi https://t.co/PtxRsTifi1