Please assess the completion status of the following clinical trial:

Trial Title: CARES Lumbar Artificial Disc Registry

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

Eligibility Criteria:
Key Inclusion Criteria:~* Treated with the lumbar TDR.~* Signed IRB approved consent document.~Key Exclusion Criteria:~* None known.

- 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).