PI3KCA-mutations are frequent and persist with recurrence of liver metastases from breast cancer. (April 2016) - Ruiz, A.; Sebagh, M.; Saffroy, R.; Allard, M.-A.; Bouvet de la Maisonneuve, P.; Bosselut, N.; Wicherts, D.; Morère, J.-F.; Adam, R.; Lemoine, A.