Fig. 4
From: Ten-year epidemiological study of ocular and orbital tumors in Chiba University Hospital
Ratio of patients with MALT lymphoma who underwent IgG4 blood test and the ratio of patients with MALT lymphoma among all types of malignant lymphoma between 2009 and 2013 vs. 2014 and 2018. The ratio of patients who had suspected malignant lymphoma and underwent the serum IgG4 is higher in the last five years than in the first five years (Left bars). The ratio of MALT lymphoma among all malignant lymphoma was greater in the last five years than in the first five years (Right bars)