As expected, expression of MAPK signaling molecules (B-Raf_pS445, MEK1_pS217_S221, ERK2, p38_pT180, and p90RSK) were negatively correlated with ARID1A expression (Fig. 3c) in the “MDACC endometrial carcinoma” dataset. Here, RPS6KA1 is linked to endometrial carcinoma.