Please assess the completion status of the following clinical trial:

Trial Title: Risk Factors and Biomarkers Associated With Recurrence After Excision of Primary Pterygium

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:~* Clinical diagnosis of primary and recurrence pterygium~* Must agree to participate in this study~* Must sign informed consent form~Exclusion Criteria:~* Hepatitis~* HIV/AIDS

- Gender: ALL
- Minimum Age: 21 Years
- Maximum Age: None
- Healthy Volunteers: f

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