“…Histological analysis consisted of hematoxylin and eosin (H&E), Masson trichrome stain, immunohistochemical staining, and DNA in situ hybridization (FISH) with brake apart probes for BCL2 , BCL6 , and MYC (Vysis, Tokyo, Japan) [ 15 , 16 , 17 ]. Immunohistochemistry was performed following the manufacturer’s instructions (Leica Bond-Max autostainer, Leica Biosystems K.K., Tokyo, Japan) [ 18 ] and included a battery of primary antibodies as actin-SM, ALK-1, BCL2, BCL6, BTK D3H5, CD10, CD163, CD20 (L26), CD21, CD3, CD31, CD34, CD5, CD68, CD85A, CDK4, CK AE1/3, C-MYC, CSF1R, desmin, FOXP3, HLA-DP-DR, IL-10, MDM2, MIB-1, MUM1, p16, PD-1, PD-L1, PTEN, PTX3, RGS1, S100, and TNFRSF14 (HVEM). The primary antibodies were purchased or obtained from Novocasra (Leica), ThermoFisher, Perseus Proteomics, Abcam, and the Spanish National Cancer Research Center (CNIO).…”