Please assess the completion status of the following clinical trial:

Trial Title: Clinical Research of 18F-Alfatide Ⅱ PET/CT in Breast Cancer

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: DIAGNOSTIC
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE1
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* The patients have been suspected or diagnosed with breast cancer and they have not received any treatment; It must fulfill the ethical requirements and subjects have signed an informed consent.~Exclusion Criteria:~* Pregnancy or nursing mothers; Those patients accompanied by other serious diseases such as cardiac functional insufficiency, hepatic and renal function insufficiency.

- Gender: FEMALE
- Minimum Age: 18 Years
- Maximum Age: 70 Years
- Healthy Volunteers: f

Study Arms:
- breast cancer (Type: EXPERIMENTAL): Perform 18F-Alfatide Ⅱ PET/CT in breast cancer patients
- benign breast lesions (Type: ACTIVE_COMPARATOR): Perform 18F-Alfatide Ⅱ PET/CT in patients with benign breast lesions

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