CD20&lt;sup&gt;+&lt;/sup&gt;FCRL4&lt;sup&gt;+&lt;/sup&gt; B Cells Activate CD8&lt;sup&gt;+&lt;/sup&gt; T Cells via MHC-I Restriction in Nasopharyngeal Carcinoma Anti-Tumor Immunity. This evidence concerns the gene FCRL4 and nasopharyngeal carcinoma.