To further elucidate M2-like TAMs infiltration populations, we then evaluated the score of M2-like TAMs signature, which was constructed with eight M2-like TAMs representative genes including CD163, CD206, CD68, CCL18, VEGFA, Fizz1, Arg1, IL10 in gliomas with different grades in TCGA and CGGA glioma cohort with ssGSEA. The gene discussed is RETNLB; the disease is glioma.