What are the goals of myeloma treatment? How are overall treatment strategies developed for patients with myeloma with those goals in mind?

What are the goals of myeloma treatment? How are overall treatment strategies developed for patients with myeloma with those goals in mind?
What techniques are used to monitor measurable residual disease and how accurate are the results?
Why should an individual get a second opinion before choosing a treatment option?
What should a myeloma patient consider when choosing a treatment option?
Is maintenance therapy continuous or a fixed duration? Why? What is response adaptive therapy? How can MRD status be used guide maintenance therapy?