Endothelial cells from different sources were mixed and assigned to four cell types, including immune EDCs (CCL5 and CXCL13), lymphatic EDCs (PDPN and PROX1), tumor EDCs (ACKR1 and POSTN), and vascular EDCs (PLVAP and SLC9A3R2). The gene discussed is POSTN; the disease is neoplasm.