BMI1 and familial pancreatic carcinoma: It leads to reduction in the ability of cells to adhere and in consequence enhances their invasive potential.3 BMI‐1 promotes invasion and metastasis of pancreatic cancer stem cells by activating PI3K/AKT signalling.5 BMI‐1 is probably also involved in endometrial carcinogenesis, but data are limited and its exact function is unknown.