Please assess the completion status of the following clinical trial:

Trial Title: Modified Pectoral Nerves Block Versus Serratus Plane Block in Major Breast Cancer Surgery

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: SINGLE
- Phase: PHASE2
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* American Society of Anesthesiologists( ASA) I or II and scheduled for major breast cancer surgery( modified radical mastectomy or conservative mastectomy with axillary evacuation).~Exclusion Criteria:~* Local infection at the site of the block, coagulations abnormalities, allergy to local anesthetics or morphine, body mass index\> 35, patient refusal, severe respiratory or cardiac disorders, pre-existing neurological deficits, hepatic or renal insufficiency, chronic pain syndrome, chronic analgesic use and psychiatric disorders.

- Gender: FEMALE
- Minimum Age: 18 Years
- Maximum Age: 65 Years
- Healthy Volunteers: f

Study Arms:
- modified pectoral nerves block (Type: ACTIVE_COMPARATOR): Modified pectoral nerves block with general anesthesia. Using the ultrasound, 10 ml of bupivacaine 0.25% with epinephrine 5 ug/ml will be injected in the plane between the pectoralis major and minor muscles. And another 20 ml of bupivacaine 0.25% with epinephrine 5 ug/ml will be injected in the plane between the pectoralis minor and the serratus anterior muscles.
- serratus plane block (Type: ACTIVE_COMPARATOR): Serratus plane block with general anesthesia. Using the ultrasound, 0.4 ml of bupivacaine 0.25% with epinephrine 5 ug/ml will be injected in the plane between the serratus anterior muscle and the underlying ribs.

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