ctDNA	Circulating tumor DNA
MM	Multiple myeloma
MGUS	Monoclonal gammapathy of undetermined significance
IMWG	International Myeloma Working Group
CT	Computer tomography
CNVs	Copy number variations
array-CGH	Comparative genomic hybridization on a microarray
FISH	Fluorescence in situ hybridization
D-S stage	Durie-Salmon stage
ISS	International Staging System
LDH	Lactate dehydrogenase
FLC	Free light chains
BJ	Bence Jones
HSCs	Hematopoietic stem cells
cnLOH	Copy number neutral loss of heterozygosity
Mb	Megabase