In-depth molecular analysis of lymphomas with lymphoplasmacytic differentiation may provide more precise diagnosis and rational treatment allocation.

"Declarations Ethics approvalAll procedures performed in this study on specimens of human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Ethical approval was obtained from the ethical committee of the Medical University of Innsbruck (EK-Nr.1362/2020) and informed consent was obtained from all individual participants included in the study. Conflict of interestThe authors declare no competing interests. Conflict of interest The authors declare no competing interests."

"Funding Open access funding provided by University of Innsbruck and Medical University of Innsbruck. This work was funded by the Company Roche."