Please assess the completion status of the following clinical trial:

Trial Title: TuLip : Role of the Tumor Environment in Cancer-related Fat Loss

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: BASIC_SCIENCE
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* Programmed surgeries in the abdominal area in the Department of Surgery and Transplantation at Cliniques Universitaires Saint-Luc under the supervision of Prof. Dr. Benoit Navez.~* Hospitalization in the context of surgery~* Caucasian~* Age between 18 and 60 years (included).~* Body mass index less than 30 and greater than or equal to 18.5~* Programmed Nissen fundoplication (to treat hiatal hernia and gastroesophageal reflux) or cholecystectomy (to treat vesicular lithiasis), eventration, or parietal surgery .~* Adults capable of expressing their wishes.~* Understanding French~Exclusion Criteria:~* Body mass index below 18.5 and above 30.~* Patients with cancer, infection, autoimmune or inflammatory disease, metabolic syndrome.~* Patients with beta-blockers, hypoglycemics, anti-diabetics, hypolipidemics.~* Adults unable to express their will.~* Not understanding French~* Patients participating in a clinical trial for a drug treatment.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 60 Years
- Healthy Volunteers: f

Study Arms:
- Patients with BMI < 30 kg/m2 (Type: EXPERIMENTAL): Collection of subcutaneous and visceral adipose tissue pieces of 1-2 cm3 during abdominal surgery procedures

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