Please assess the completion status of the following clinical trial:

Trial Title: Proton Therapy for Lymph Nodes in Breast Cancer

Study Design Characteristics:
- Allocation: NON_RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Pathologically confirmed invasive adenocarcinoma of the breast stage I-III (TX, T0-4, N0-3) with medially located tumor and/or axillary node invasion.~* Patients must have undergone either mastectomy or breast conservation surgery.~* Patients are required to have axillary staging which can include sentinel node biopsy alone if sentinel node is negative.~* Patient must require peripheral lymph node radiation per physician discretion.~Exclusion Criteria:~* Evidence of distant metastasis (M1).~* Prior radiotherapy to the area of interest.~* Prior history of cardiovascular disease per physician discretion.~* Prior or concurrent cancer other than non-melanomatous skin cancer unless disease free for at least 5 years.~* Collagen vascular disease, specifically dermatomyositis with a CPK level above normal or with an active skin rash, systemic lupus erythematosis or scleroderma.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 100 Years
- Healthy Volunteers: f

Study Arms:
- 1 (Type: ACTIVE_COMPARATOR): Conventional photon plan
- 2 (Type: EXPERIMENTAL): 3D-Proton/Conventional plan or 3D-proton only

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