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  Indian J Med Microbiol
 

Figure 2: Immunohistochemical findings. The colonic infiltrations are positive for CD20 (A), CD79α (B), CD138 (C), κ-chain (D), p53 (E), and Ki-67 antigen (labeling index = 63%) (F). It is apparent that the atypical infiltrates are composed largely of B-cells. A-F, ×200

Figure 2: Immunohistochemical findings. The colonic infiltrations are positive for CD20 (A), CD79α (B), CD138 (C), κ-chain (D), p53 (E), and Ki-67 antigen (labeling index = 63%) (F). It is apparent that the atypical infiltrates are composed largely of B-cells. A-F, ×200