WT-1: Wilms tumor marker; CAM 5.2: Cell marque cytokeratin; AE1/AE3: Anticytokeratin monoclonal antibodies; 'D2-40: Monoclonal antibodies; CD31, CD34: Cluster of differentiation; SALL4: Spalt-like transcription factor 4. The gene discussed is SALL4; the disease is neoplasm.