Inclusion Criteria:  Patients between 18 and 69 years old Surgical laparoscopic approach for AA Intra-operative and histological diagnosis of AA  Exclusion Criteria:  Patients < 18 years old or > 69 years old Previous appendectomy Previous appendicitis treated conservatively Open approach for surgery or intra-operative conversion Co-existence of other intra-abdominal infections (IAI) Patients with immunodeficiency Patients treated with steroid, immunosuppressant, or CHT within previous 6 months