Please assess the completion status of the following clinical trial:

Trial Title: A Study of MabThera (Rituximab) in Patients With Advanced Non-Hodgkin's Lymphoma

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* adult patients \>=18 years of age;~* advanced, low-grade non-Hodgkin's and mantle cell lymphoma.~Exclusion Criteria:~* possibility of curative radiation therapy;~* secondary NHL;~* participation in another clinical trial eg with cytostatic chemotherapy or cytokines;~* concomitant diseases and/or restricted organ function precluding therapy according to the study protocol.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 75 Years
- Healthy Volunteers: f

Study Arms:
- 1 (Type: EXPERIMENTAL): None
- 2 (Type: ACTIVE_COMPARATOR): None

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