CCND1 and AL amyloidosis: The chromosomal translocation t(11;14)(q13;q32) in bone marrow monoclonal plasma cells (BMPCs), which brings together the immunoglobulin heavy-chain locus and the oncogene cyclin D1, occurs in approximately 40–60% of AL amyloidosis cases [4, 5] and 15–20% of multiple myeloma (MM) cases [6, 7].