Fig. 3From: IgG4-related eosinophilic pleural effusion: a case report Change of the peripheral blood eosinophil count (normal range (light-gray): 0.02–0.52 × 10^9 cells/L). Day 0 refers to admission day. The patient started prednisolone on days 17 after admission(green dotted line). He was followed up as an outpatient on days 34 and 68Back to article page