Abstract Background Monoclonal gammopathy of renal significance (MGRS) encompasses a heterogeneous group of kidney diseases in which a monoclonal immunoglobulin secreted by a clone of B cells or plasma cells causes kidney damage without meeting the hematological criteria for malignancy. Among the various forms of involvement. MGRS can manifest as a proximal tubule disorder. such as Fa... https://excellentphoto.shop/product-category/portable-speakers/