Immunoglobulin G4-Related Disease-Like Gastric Lesion Presenting as Submucosal Tumor-Like Lesions
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Immunoglobulin G4 (IgG4)-related disease (RD) is a systemic fibroinflammatory condition characterized by infiltration of IgG4-positive plasma cells (PCs). Gastrointestinal involvement may present as submucosal tumor-like lesions and poses diagnostic challenges... ...
