Overall survival according to the MFC immunophenotypic evaluation of the BMPC compartment. The OS of patients with immunoglobulin light-chain amyloidosis (AL) grouped according to the percentage of BMPC detected at diagnosis by MFC immunophenotyping at cutoff value of > 1% BMPCs (A) and according to the percentage of normal PCs within all BMPCs (N-PC/BMPC) detected at diagnosis by MFC immunophenotyping at a cutoff value of > 5% N-PC/BMPC (B).