Kaplan–Meier survival analyses of patients with monoclonal gammopathies. (A) Overall survival probability of patients with monoclonal gammopathies (censored for kidney transplantation, renal recovery, and loss of follow-up or end of the study period). (B) Survival probabilities of patients with immunoglobulin light chain amyloidosis (ALA), light–chain deposition disease (LCDD), or myeloma cast nephropathy (MCN) (censored for kidney transplantation, renal recovery, and loss of follow-up or end of the study period).