Withdrawal of Immunosuppressant and Low-dose Steroids in IgG4-RD Patients with Stable Disease 146 pts - 3 Grps 1: withdraw GC+IM 2:withdraw GC but maintain IM; 3: maintain GC+IM The maintenance of IMs, with or without low-dose GC, superior to withdraw #ACR23 @rheumnow #abstL16