CD8A and neoplasm: In addition, the association between the RPP40 expression and gene marker levels of immune cells in UCEC tumor tissues was evaluated via TIMER, as shown in Table 4, the RPP40 expression level in UCEC tumor tissues was closely related to the immune marker expressions of CD8+ T cells, T cells (general), monocytes, macrophages, neutrophils, NK cells, DC, and Th1 cells.