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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Example of low CD20-positive B-cell aggregates in a patient with short-term survival (A) and high CD20-positive B-cell aggregates in a patient with long-term survival (B) at 10× magnification; figures from the dissertation of KM.