Hello there @simon.p, welcome to the forum. I’m glad you found it and I hope it comes to be as helpful for you as it is for me. Here’s a link to the great Blood Cancer UK information about smouldering myeloma should you fancy a read: Smouldering myeloma | Blood Cancer UK
While I live with a different diagnosis of Polycythaemia vera ('PV'), I know there have recently been new forum members join with similar diagnoses to you and perhaps you’d like to reach out: High risk smouldering myeloma
You can use the search box at the top and Related Topics below to find other posts of interest that way as well. I hope other forum members will respond here, do keep us posted about how treatment goes @simon.p.