Please assess the completion status of the following clinical trial:

Trial Title: Surgical Resection and Intraoperative Cesium-131 Brachytherapy for Head and Neck Cancer

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: EARLY_PHASE1
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~1. Diagnosis: Subjects with a diagnosis of recurrent head and neck cancer~2. Based on clinical and radiographic evidence the tumor needs to be deemed resectable preoperatively~3. Age: Subjects must be ≥ 18 years of age and ≤ 90 years old~4. Informed Consent: All subjects must be able to comprehend and sign a written informed consent document~Exclusion Criteria:~1. Subjects who are pregnant or may become pregnant~2. Unresectable tumor~3. Other severe acute or chronic medical or psychiatric condition that may increase the risk associated with study participation, and in the judgment of the investigator would make the subject inappropriate for entry into this study

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 90 Years
- Healthy Volunteers: f

Study Arms:
- Cesium-131 Brachytherapy (Type: EXPERIMENTAL): Patients undergo brachytherapy using Cesium-131 during surgical resection

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