Amyloidosis (am-uh-loy-doh-sis) is a rare disorder that happens when plasma cells in your bone marrow change or mutate. These calls make abnormal proteins that become twisted clumps of misshaped proteins that gather on your organs and tissues.
https://my.clevelandclinic.org/health/diseases/15718-amyloidosis-al-amyloid-light-chain
