936 Post neoadjuvant chemotherapy tissues enriched in a distinct CD27−IgD−CD21-CXCR5- atypical double negative (DN)2 B cells, with potential role in purinergic signalling in early breast cancers
936 Post neoadjuvant chemotherapy tissues enriched in a distinct CD27−IgD−CD21-CXCR5- atypical double negative (DN)2 B cells, with potential role in purinergic signalling in early breast cancers