A patient with stage 1a endometrial carcinoma in whom a solitary recurrent lesion was detected in the external iliac lymph node after MPA therapy.

Background: In the treatment of endometrial carcinoma, young patients desire the preservation of the uterus, and therefore hormonal therapy has been administered.

Case Report: The patient was a 39-year-old nullipara diagnosed with stage 1a endometrial carcinoma. The patient desired the preservation of the uterus, and oral administration of MPA was prescribed for 18 weeks, which after the cancer tissue disappeared.