AL, amyloid light chain, ASCT, autologous stem cell transplant, BMB, bone marrow biopsy, CKD, chronic kidney disease, CT, computed tomography, FLC, free light chain, HIV, human immunodeficiency virus, ILD, interstitial lung disease, LC-MGUS, light chain monoclonal gammopathy of undetermined significance, LCDD, light chain deposition disease, LV, left ventricular, MGUS, monoclonal gammopathy of undetermined significance, MM, multiple myeloma, MRI, magnetic resonance imaging, PAP, pulmonary artery pressure, PH, pulmonary hypertension, RA, right atrial, RHC, right heart catheterization, RV, right ventricle/ventricular, TTE, transthoracic echocardiography, WHO, World Health Organization