Tools for geriatric assessments in multiple myeloma patients. International Myeloma Working Group (IMWG) frailty score [29]; Revised Myeloma Comorbidity Index (R-MCI) [33]; UK Myeloma Research Alliance Risk Profile (MRP) [36]; Mayo Clinic Score [35]; evaluation of sarcopenia [37]; simplified frailty score [38,39]; quality-of-life questionnaires: European Organization for Research and Treatment of Cancer Quality of Life (EORTC QoL) questionnaire C30 [40,41]. Abbreviations. WHO, World Health Organization; ISS, International Staging System for Multiple Myeloma [30]; CRP, C-reactive protein; ECOG, Eastern Cooperative Oncology Group; NTproBNP, circulating N-terminal pro-B-type natriuretic peptide; CT, computed tomography; CCI, Charlson Comorbidity Index.