CCL2 and neoplasm: A positive correlation was observed between FLT3LG and MCP-1 (in aqueous and vitreous humor) and IL-8, IP-10, MIP-1α, and PDGF-AA (in vitreous humor) in the context of tumor infiltration in Bruch’s membrane, an extracellular matrix that lies between the retinal pigment epithelium and the choroid [94].