1858
A case of high-grade endometrial stromal sarcoma, confined into an intrauterine polypoid growth, in a woman with a history of breast cancer who was treated with adjuvant tamoxifen.
 ( potential therapeutic event: treated ,  A case of high-grade endometrial stromal sarcoma, confined into an intrauterine polypoid growth, in a woman with a history of breast cancer: Subject, woman: Subject.Gender, breast cancer: Subject.Disorder, A: Subject.Population, adjuvant tamoxifen: Treatment, tamoxifen: Treatment.Drug, high-grade endometrial stromal sarcoma, confined into an intrauterine polypoid growth: Treatment.Disorder) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: adverse event,potential therapeutic event, Arguments type: Treatment.Disorder,Treatment.Time_elapsed,Treatment.Dosage,Subject.Race,Treatment.Drug,Treatment.Route,Subject.Disorder,Treatment.Freq,Treatment,Effect,Subject.Population,Treatment.Duration,Combination.Drug,Subject,Subject.Age,Subject.Gender. 
Text: {0} 
Answer:
 ( potential therapeutic event: treated ,  A case of high-grade endometrial stromal sarcoma, confined into an intrauterine polypoid growth, in a woman with a history of breast cancer: Subject, woman: Subject.Gender, breast cancer: Subject.Disorder, A: Subject.Population, adjuvant tamoxifen: Treatment, tamoxifen: Treatment.Drug, high-grade endometrial stromal sarcoma, confined into an intrauterine polypoid growth: Treatment.Disorder) 