igg lambda monoclonal band presentgammapatia monoclonal igmigm monoclonal gammopathyigm monoclonal proteinmonoclonal igm lambdaigm kappa monoclonaligg kappa monoclonal band presentigm lambda monoclonal gammopathygammapatía monoclonal igm kappaigm kappa monoclonal gammopathyigm lambda monoclonal proteinigm kappa monoclonal protein