Please assess the completion status of the following clinical trial:

Trial Title: Study of Adrenalectomy Versus Observation for Subclinical Hypercortisolism

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

Eligibility Criteria:
* INCLUSION CRITERIA:~* An individual with an adrenal neoplasm less than 5 cm in size with biochemically confirmed evidence of hypercortisolism (2 out of 3: dexamethasone suppression test (DST) \>3 mcgl/dL, elevated urine free cortisol, and/or morning adrenocorticotropic hormone (ACTH) \<2.2 pmol/l) without overt clinical signs and symptoms.~* Age greater than or equal to 18 years.~* Adults must be able to understand and sign the informed consent document.~* Patients must have laboratory and physical examination parameters within acceptable limits by standard of practice.~EXCLUSION CRITERIA:~* Biochemically and/or radiologically confirmed pheochromocytoma, hyperaldosteronism, or adrenocortical carcinoma.~* Nonfunctioning adrenal neoplasm.~* Pre-existing cancers and/or metastatic disease to the adrenal glands.~* Pregnancy and/or lactation.~* Lack of metabolic complications.~* Imaging features worrisome for malignancy (heterogeneous tumor, presence of calcifications, necrosis, \>10 Hounsfield units on an unenhanced computed tomography (CT) scan, and delayed washout of contrast).

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 99 Years
- Healthy Volunteers: f

Study Arms:
- Operative Arm (Type: OTHER): operative arm
- Delayed Operative Arm (Type: OTHER): delayed operative arm

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