Immunoglobulin G4–related disease with fibroinflammatory lesions in the pleura, bile ducts and pericardium

A 78-year-old man presented with bilateral leg edema, pleural effusions and elevated cholestatic liver enzyme levels that had worsened over two years. Magnetic resonance cholangiopancreatography scans suggested sclerosing cholangitis ([Figure 1A][1]). Positron-emission...