Please assess the completion status of the following clinical trial:

Trial Title: VALIANT CAPTIVIA Post-market Registry

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: COHORT
- Primary Purpose: None
- Time Perspective: PROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion criteria~* Age ≥ 18 years or minimum age as required by local regulations~* Indication for surgical repair of thoracic aortic aneurysms and/or thoracic aortic dissections with an thoracic endovascular stent graft in accordance with the applicable guidelines on endovascular interventions and the Instructions for Use of the Valiant Captivia Thoracic Stent Graft System~* Signed consent form ('Patient informed consent form' or 'Patient Data Release Authorization Form')~* Intention to implant the Valiant Captivia Thoracic Stent Graft System or having implanted the system within the last 3 months before subject enrollment~* Willingness and ability to comply with the CIP~Exclusion criteria~* High probability of non-adherence to physician's follow-up requirements~* Participation in concurrent interventional trial which may confound study results~* Prior implantation of a thoracic stent graft

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

Study Arms:
- patients undergoing TEVAR (Type: None): Those with a thoracic aortic aneurysm/dissection

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