Please assess the completion status of the following clinical trial:

Trial Title: Dexamethasone and Wound Healing After Thyroid Surgery

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Elective total thyroidectomy or hemithyroidectomy with lymphadenectomy for thyroid cancer~Exclusion Criteria:~* Age \> 65 years, \< 18 years~* Thyroid tumor with Grave's disease~* Thyroid tumor size over 5 cm~* Second or more than 2 times for thyroid surgery~* Non-traditional pathway for thyroid surgery~* ASA \> II~* Pharyngitis~* Smoking, alcohol drinking history~* Contraindication or long term use of dexamethasone (allege, ulcer bleeding history, et al)

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 65 Years
- Healthy Volunteers: f

Study Arms:
- Group D (Type: ACTIVE_COMPARATOR): Group D: dexamethasone group
- Group S (Type: PLACEBO_COMPARATOR): Group S: saline group

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