Please assess the completion status of the following clinical trial:

Trial Title: Postoperative Concurrent Chemoradiation for Head and Neck Cancer With Multiple Minor Risk

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* Primary squamous cell carcinoma of head and neck, after tumor excision and neck dissection, pathology has confirmed three or more of the following adverse prognostic factors, including:~  1. Marginale surgery but a safe distance from the residual tumor ≦ 4mm.~ 2. The tumor is located in the hard palate or the retromolar region.~ 3. Poorly differentiated cell type.~ 4. Tumor invasion to the nerve.~ 5. Tumor invasion to lymphatic vessels.~ 6. Tumor invasion to the small blood vessels.~ 7. Tumor invasion to the bone.~ 8. Tumor invasion to the skin.~ 9. Depth of tumor invasion ≧ 10mm.~ 10. Occurred in single lymph node metastasis.~Exclusion Criteria:~* No or presence of adverse prognostic factor but less than 2.~* Presence of either one conditions listed here: positive resection margin, resection margin negative but less than 1 mm, pathologic N2 or N2, or presence of nodal metastasis with extracapsular spreading.~* ECOG performance status \> 2.~* Previous cancer history (except basal cell or squamous cell skin cancer) or other synchronous malignant disease.~* Women during pregnancy.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 70 Years
- Healthy Volunteers: f

Study Arms:
- concurrent chemoradiation (Type: EXPERIMENTAL): patients who has 3 or more minor risk factors of recurrence, and will receive postoperative chemoradiation.

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