APRIL/TNFSF13 expression was significantly positively correlated with tumor content of M1 macrophages (r = 0.5, p < 0.0001), myeloid DCs (r = 0.42, p < 0.0001) and negatively correlated with MDSC (r = -0.52, p < 0.0001) content. Here, TNFSF13 is linked to neoplasm.