Please assess the completion status of the following clinical trial:

Trial Title: Fluorouracil and Leucovorin and/or Levamisole After Surgery In Treating Patients With Dukes' B Or Dukes' C Colon Cancer

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: None
- Phase: PHASE3
- Number of Arms: None

Eligibility Criteria:
DISEASE CHARACTERISTICS: See General Eligibility Criteria~PATIENT CHARACTERISTICS: See General Eligibility Criteria

- Gender: ALL
- Minimum Age: None
- Maximum Age: 70 Years
- Healthy Volunteers: f

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