ijcmcr International Journal of Clinical & Medical Case Reports 2834-250X International Journal of Clinical & Medical Case Reports Case report Inflammatory lung disease brought on by rituximab treatment for Waldenström's macroglobulinemia 4 2 © 2026 The Author(s). Published by International Journal of Clinical & Medical Case Reports. This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International License (CC-BY 4.0).