Objective To describe the endometrial pathologic lesions in premenopausal breast cancer patients with a history of tamoxifen TMX use <a href=https://lasix.one>lasix classification</a> M atteo, University of Pavia, Pavia, I taly, and 2Department of Gynecologic, Obstetric and Pediatric Sciences, University of M odena, M odena, I taly