Identification of lymphoma-like cells in the peritoneal cavity, circulation, and kidney of mice inoculated IP with BCBL-1 cells. (A) Representative cytospin preparation of ascites fluid stained with Diff-Quick showing the presence of large lymphoid cells (original magnification × 1,000). (B and C) Representative peripheral blood smears depicting the presence of large lymphoid cells in the circulation (hematoxylin-eosin stain; original magnification × 400). (D) Representative lymphoma tissue localized under the renal capsule (hematoxylin-eosin stain; original magnification × 200).