What is Smoldering Myeloma?

In part two of the myeloma series, a discussion on smoldering myeloma and more on monoclonal gammopathy of undetermined significance (MGUS).

Included in this discussion:

What is MGUS?
What is the risk of progression of MGUS to overt multiple myeloma?
How do monitor MGUS?
How do we define smoldering myeloma?
What are myeloma defining events?