CXCR5 and nasopharyngeal carcinoma: Given that B lineage cells, CD4_C8_CXCR5 and CD8_C8_CXCL13 T cells, and CXCL13+ CAFs were the essential components of TLSs in NPC, we also observed strong pairwise correlations of cell proportions among these clusters in the three NPC cohorts (Supplementary Fig. 14e).