The concentration of IgG antibodies and Lf-ANCA auto-antibodies in the MS and UCS and their PTR were examined in relation to 3 categories of pBMI and GWG: (1) adequate pBMI and adequate GWG, (2) adequate pBMI and excessive GWG, and (3) excessive pBMI and excessive GWG. The gene discussed is LTF; the disease is myeloid sarcoma.