Functionally active lymphoid aggregates correlate with improved prognosis in brain metastases.
B cells and their cellular neighborhoods, i.e., lymphoid aggregates (LAs) and tertiary lymphoid structures (TLS), have not been extensively studied in melanoma brain metastases (BM) or lung adenocarcinoma (LUAD) BM, despite their prognostic value and role in immunotherapeutic responses. In this study, we evaluated the...