Please assess the completion status of the following clinical trial:

Trial Title: Guidant Microwave Ablation System for the Treatment of Atrial Fibrillation

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

Eligibility Criteria:
Inclusion Criteria:~* Patient age \>= 18 years~* Documented permanent AF (for at least three months)~* Scheduled for an open chest cardiac surgery for the primary indication of mitral valve repair or replacement~* Has been informed of the nature of the study, agrees to its provisions, and provided written informed consent, which was approved by the appropriate Institutional Review Board/Ethics Committee of the respective clinical site~Exclusion Criteria:~* Cerebral vascular accident (CVA, stroke) or transient ischemic attack (TIA) within the previous 6 months~* Myocardial infarction within the previous 6 weeks~* Documented history of pulmonary vein stenosis~* Previous ablation attempt for AF~* Previous thoracic procedures~* Left atrial size \> 7.0 cm~* Left ventricular ejection fraction \< 30%~* Presence of left atrial or left atrial appendage thrombi~* Esophageal fistula or other stricture, untreated esophagitis, varices, dysphagia or odynophagia contraindicating transesophageal echocardiography~* Known allergy or contraindication to warfarin therapy~* Known allergy or contraindication to antiarrhythmic (Classes IA, IC, III) therapy~* Other comorbidity with reduced life expectancy of less than 1 year or protocol noncompliance that would limit follow-up~* Geographically remote or unable to return for follow-up examinations~* Pregnant or planning to become pregnant during the study~* Enrolled in any concurrent study, without Guidant written approval, that may confound the results of the study

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

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