Please assess the completion status of the following clinical trial:

Trial Title: Impact of Epidural Morphine on Shoulder Pain Following Thoracotomy.

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

Eligibility Criteria:
Inclusion Criteria:~* Patients aged 18 to 75 years~* Scheduled for an elective thoracotomy~* Physical status 1-3~Exclusion Criteria:~* Contraindication to epidural analgesia (coagulopathy, sepsis or local infection at the site of injection, spinal deformity, previous major spinal thoracic surgery)~* A known allergy to local anesthetics, acetaminophen, fentanyl or morphine.~* Pre-existing shoulder pain ipsilateral to the surgery~* Pre-existing chronic pain~* Current use of opioids~* Recent history of alcohol or drug abuse.~* The inability to understand a verbal numerical pain scale (VNPS) despite previous instruction~* Severe renal insufficiency~* Patient refusal

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

Study Arms:
- Fentanyl (Type: ACTIVE_COMPARATOR): Patients will be randomized to receive by the epidural catheter a bolus dose of 100 mcg of fentanyl followed by an infusion of epidural bupivacaine 0.1% and fentanyl 2 mcg/mL.
- Morphine (Type: EXPERIMENTAL): Patients will be randomized to receive by the epidural catheter a bolus dose of 3 mg of morphine followed by an infusion of epidural bupivacaine 0.1% and morphine 50 mcg/mL.

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