ARID1A and gastric adenocarcinoma: Frequent mutations or loss of expression of ARID1A have also been found in endometrial carcinomas of endometrioid (loss of expression in 29%), clear cell (loss of expression in 26%) and serous histology (loss of expression in 18%) [87,88], pancreatic (mutations in 8%–45%) [89,90] and gastric adenocarcinomas (mutations in 8%–29%) [91–93], as well as in hepatocellular (mutations in 10%–17%) [94–96] and breast carcinomas (mutations in 4%–35%) [97,98].