Fig. 2
From: Factors related to elevated serum immunoglobulin G4 (IgG4) levels in a Japanese general population
Hydronephrosis and periaortic/periarterial lesion in one participant with elevated serum IgG4 level. Contrast-enhanced computed tomography (CT) imaging showed right hydroureteronephrosis (A, arrow) and periaortic/periarterial wall thickening of the abdominal aorta and its major branch (B)