CBX2 and nonpapillary renal cell carcinoma: Regarding CBX2, it positively correlated with CD8+ T cells (ρ = 0.112, p = 1.62−2) and neutrophils (ρ = 0.213, p = 3.86−6) and negatively with B cells (ρ = −0.210, p = 5.64−6) in the ccRCC group.