MSR1 and neoplasm: First, phagocytosis of extracellular fatty acids via surface receptors including CD36, Olr1 (LOX1), and CD204 is a steady way in a fatty acid‐enriched environment, for instance, in a tumor microenvironment, explaining, that CD204 is suggested to be a marker of tumor‐infiltrated macrophages (Ohtaki et al, 2010).