Immunostaining was done with appropriate positive and negative controls and revealed:
Generalized lymphadenopathy (axillary, cervical, and retroperitoneal), splenomegaly with splenic nodules.
Previous lymph node biopsy was diagnosed as atypical lymphoid infiltrate suggestive of non-Hodgkin's lymphoma, and marker study was recommended (pathology number 1672-2026 on 2026-03-26).
Six referred paraffin blocks and six H&E stained slides coded 1672-2026.
Axillary lymph nodes, excision biopsy: