Please assess the completion status of the following clinical trial:

Trial Title: Randomized Trial Of Exemestane Versus Continued Tamoxifen In Postmenopausal Women With Early Breast Cancer

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* postmenopausal women with histologically or cytologically confirmed primary breast adenocarcinoma, receiving tamoxifen and have been treated with tamoxifen continuously for between 2 and 3 years and one month, and still free of disease~Exclusion Criteria:~* unresectable breast cancer~* ER negative primary tumor

- Gender: FEMALE
- Minimum Age: 30 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- B (Type: ACTIVE_COMPARATOR): None
- A (Type: EXPERIMENTAL): None

Based on this trial design, predict the completion outcome and termination type (if applicable).