an immunohistochemical study ( pap method ) to evaluate the presence in the tumor cells of the following markers : myoglobin , f-viii-related antigen , lysozyme , alpha-1-antitrypsin , alpha-1-antichymotrypsin , and immunoglobulins ( igg , iga , igm , kappa and lambda light chains ) , was performed with negative results in all cases ( paraffin blocks were available in 38 cases ) .
C0021027
immunoglobulins
C0021037
lambda