case_images: PMC6643167_01
case_images: CT scan neck with and without contrast showing bilateral cervical
  adenopathy.
case_images: 10.1177_2324709619862297-fig1.jpg
case_images: PMC6643167_01_10.1177_2324709619862297-fig1.jpg
case_images: fig1-2324709619862297
case_images: A computed tomography scan of the neck, chest, abdomen, and pelvis with and without contrast showed prominent cervical (Figure 1), axillary lymphadenopathy along with multiple shotty lymph nodes in the region of the mediastinum and left periaortic region.
case_images: Low-power field (20x; hematoxylin-eosin) with arrow pointing to rich
  lymphoplasmacytic infiltrate on axillary lymph node biopsy.
case_images: 10.1177_2324709619862297-fig2.jpg
case_images: PMC6643167_01_10.1177_2324709619862297-fig2.jpg
case_images: fig2-2324709619862297
case_images: Low-power field (20x) showing abundant IgG4 plasma cells on IgG4 staining.
  Arrows pointing to IgG4-positive plasma cells.
case_images: 10.1177_2324709619862297-fig3.jpg
case_images: PMC6643167_01_10.1177_2324709619862297-fig3.jpg
case_images: fig3-2324709619862297