IgG4-Related Hepatic Pseudotumor Masquerading as a Klatskin Tumor
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Immunoglobulin G subclass 4 (IgG-4)-related disease (IgG4-RD) is an uncommon immune-mediated, fibro-inflammatory disease which has garnered recognition as a systemic condition. One manifestation of the disease in the hepatobiliary system is the development of ... ...