{"eventGroups":[{"deathsNumAffected":0,"deathsNumAtRisk":12,"description":"This is a prospective longitudinal pilot study, and the targeted patient population is postmenopausal women with breast cancer being treated with adjuvant aromatase inhibitors who are initiated on vaginal 17β-estradiol to relieve symptoms of atrophic vaginitis.","id":"EG000","otherNumAffected":0,"otherNumAtRisk":12,"seriousNumAffected":0,"seriousNumAtRisk":12,"title":"Letrozole"},{"deathsNumAffected":0,"deathsNumAtRisk":19,"description":"This is a prospective longitudinal pilot study, and the targeted patient population is postmenopausal women with breast cancer being treated with adjuvant aromatase inhibitors who are initiated on vaginal 17β-estradiol to relieve symptoms of atrophic vaginitis.","id":"EG001","otherNumAffected":0,"otherNumAtRisk":19,"seriousNumAffected":0,"seriousNumAtRisk":19,"title":"Anastrozole"}],"frequencyThreshold":"0","timeFrame":"2 years"}