Please assess the completion status of the following clinical trial:

Trial Title: Retrospective Study of the Biomechanical Properties of Large Allografts

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

Eligibility Criteria:
Inclusion Criteria:~* Patients that require retrieval of a previously implanted large allograft.~Exclusion Criteria:~* None

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

Study Arms:
- Retrieved Allograft (Type: None): Patients that require the retrieval of a bone allograft (transplant).

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