Please assess the completion status of the following clinical trial:

Trial Title: Resection vs no Resection of the Primary in Colorectal Cancer With Unresectable Metastases

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

Eligibility Criteria:
Inclusion Criteria:~* colorectal cancer above to 12 cm from the anal verge~* unresectable synchronous metastases~* no contraindications for chemotherapy~* absence of peritoneal carcinomatosis, central nervous system o bone metastasis.~* performance status ECOG ≤ 2 (Eastern Cooperative Oncology Group)~* uncontrolled concomitant medical conditions that may compromise to chemotherapy~* significant symptomatic cardiac disease~* not pregnancy or breastfeeding~Exclusion Criteria:~* Cases of rectal tumours below 12cm from anal verge, or locally advanced tumours invading blood vessels, nerves or bone.~* Multiple bone metastasis or central nervous system metastasis~* Other neoplastic disease in the 5 previous years, except squamous or basal cell skin carcinoma or cervical in situ carcinoma~* Significant heart disease (chronic congestive heart failure, symptomatic coronary disease) or myocardial infarction in the previous 6 months~* Peripheral neuropathy~* Patients who do not give informed consent

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

Study Arms:
- colonic resection (Type: EXPERIMENTAL): Arm A (experimental): surgery (complete tumoral resection; R0) followed by chemotherapy, regimen according to each center.
- Chemotherapy (Type: ACTIVE_COMPARATOR): Arm B (control): chemotherapy alone, regimen according to each center

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