A 36-year-old man presents with significant hematuria and hemoptysis. The results of the immunofluorescence are shown in Figure A. What pathologic changes would be expected under light microscopy?
“1) Wire looping” of the capillaries
2) Hypercellular glomeruli
3) Crescentic glomerulonephritis
4) Focal proliferative glomerulonephritis
5) Normal glomeruli