Please assess the completion status of the following clinical trial:

Trial Title: Photon/Proton Radiation Therapy for Oropharyngeal Cancers

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:~* Biopsy-proven squamous cell carcinoma of oropharynx (tonsillar pillars, tonsillar fossa, soft palate, base of tongue).~* Stage-grouping:~  * Stage I (T1N0)~ * Stage II (T2N0)~ * Favorable Stage III (T1N1/T2N1) and selected stage IV (T1-T2 early N2b)2 or less lymph node and 2 or less cm diameter lymph node~ * Unfavorable stage III and selected stage IV (any T, N2c/N3)~* Surgery of the primary tumor/lymph nodes is limited to incisional/excisional biopsies.~* Will receive treatment with proton radiation.~Exclusion Criteria:~* Evidence of distant metastasis.~* Previous irradiation for head and neck cancer.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Photon/Proton Radiation Therapy (Type: None): Data collection will be obtained from the patient's medical records including initial evaluation, pathology report, dosimetry information, radiotherapy completion records and follow-up.

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