Lymph node involvement by location and immunophenotypic expression (CD3⁺ and CD5⁺/CD19⁺) in patients with UCD and iMCD subtypes of CD. (A) The distribution of lymphadenopathy among patients with HIV-negative UCD. (B) The locations of coexistent lymphadenopathies among patients with iMCD; (C,E) Flow cytometry images of CD3+ and CD5⁺/CD19⁺ in UCD; (D,F) flow cytometry images of CD3⁺ and CD5⁺/CD19⁺ in iMCD. FITC, fluorescein isothiocyanate; PE, phycoerythrin.