Fig. 1

(A) During the asymptomatic period, the patient has a progressive increase in serum TP and GLB; (B) Persistently high serum CRP since onset; (C) Serum IgG4 levels still have not reduced after two years of hormone and immunosuppressive therapy; (D) After chemotherapy, the patient’s serum HB, GLB, IL-6 and CRP all returned to a normal level; (E) Description of the patient’s clinical features and biomarkers