The inflammatory milieu of the tumor microenvironment affects different intracellular master regulators of TAMs such as Signal Transducer and Activator of Transcription factors (STAT3 and STAT6 for M2, STAT1 for M1 polarization), the nuclear factor-κB (NF-κB), RORC1, and HIF-1. The gene discussed is STAT1; the disease is neoplasm.