Abbreviations: ASCT, autologous stem cell transplantation; B2MG, beta-2-microglobulin; dNLR, derived neutrophil/lymphocyte count ratio; GPS, glasgow prognostic score; IPI, International Prognostic Index; LMR, lymphocyte/monocyte ratio; NCCN, National Comprehensive Cancer Network; NLR, neutrophil/lymphocyte count ratio; PLR, platelet/lymphocyte count ratio; PNI, Prognostic Nutritional Index; R, rituximab; SUVmax, maximum standardized uptake value.