Please assess the completion status of the following clinical trial:

Trial Title: Barrow Nasal Inventory Survey

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:~* Adults with planned endonasal surgery for pituitary tumor or skull base lesion~Exclusion Criteria:~* Children

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 80 Years
- Healthy Volunteers: f

Study Arms:
- Endonasal surgery (Type: None): Single cohort of patients undergoing endonasal surgery

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