• Deposition of IgG and C3 in glomerular and tubularbasement membranes• Acute to subacute GN• Exudation of neutrophils into the glomerulus• Subacute proliferative changes in mesangial andendothelial cells• Thickening of glomerular basement membrane• Development of proliferative nephritis. Here, C3 is linked to ganglioneuroma.