Please assess the completion status of the following clinical trial:

Trial Title: Efficacy and Cost Analysis of Plastic Stent Compare to Metallic Stent in Hilar Cholangiocarcinoma

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Unresectable complex hilar cholangiocarcinoma which diagnosis and staging based on computed tomography(CT) or magnetic resonance cholangiopancreatography (MRCP)~Exclusion Criteria:~* Patients with ASA 4 or 5~* Patients with liver failure.~* Patients unable to comply with follow-up

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

Study Arms:
- SEMS (Type: EXPERIMENTAL): self-expandable metal stent group
- PS (Type: ACTIVE_COMPARATOR): plastic stent group

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