RA has lower risk of colorectal cancer (CRC). Korean claims compared 41K RA pts 1:5 vs 204K non-RA. RA had signif. decreased risk for CRC (HR 0.89), main in seroneg RA (HR 0.79) but not seropos RA (HR 0.93). Inverse assoc mainly w/ rectal CA (HR 0.63) & women (HR 0.80). https://t.co/dudG4Is5oj