Please assess the completion status of the following clinical trial:

Trial Title: Study to Extend the Maximum Maintenance Flushing Interval for Ports With Distally Valved Catheters

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

Eligibility Criteria:
Inclusion Criteria:~* Male or female, age ≥ 21 years~* Subject has an implanted Bard port with a distally-valved catheter~* Subject has maintenance port flushes with heparin/heparinized saline or normal saline~* Subject is post infusional cancer therapy (solid tumor or hematologic)~* Subject has signed a HIPAA Authorization to use and disclose PHI~Exclusion Criteria:~* Subject is having port maintenance flushes/locks with citrate.

- Gender: ALL
- Minimum Age: 21 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Group A (Type: None): Maintenance flushes at days 1-28
- Group B (Type: None): Maintenance flushes at days 29-56
- Group C (Type: None): Maintenance flushes at days 57+

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