What does high IGM levels mean after Waldenström's diagnosis?

High IgM levels after a Waldenström's diagnosis typically indicate that the cancer cells are actively producing the abnormal protein, and elevated levels can lead to complications like hyperviscosity syndrome that affects blood flow and organ function. Many others in this community have navigated similar IgM challenges, and connecting with fellow patients here who understand these specific concerns can provide valuable insights about managing symptoms and treatment experiences.