CXCL13 and neoplasm: We observed that responders had a significantly lower CXCL13+ cell density in the tumor (p = 0.016), even considering the surrounding area of the tumor (CXCL13+ (T+IM), p = 0.019; or CXCL13+ (T+IM+NT), p = 0.003; or CXCL13+ cells (T+NT), p = 1.5 × 10−3) (Figure 2A–D).