Aim of the work In this study, we will evaluate posterior Evaluation of posterior component separation modified TAR technique "Transversus Abdominids Release" in the treatment of parastomal hernia. The primary outcome will be recurrence while the secondary outcome will be infection, postoperative complications (bleeding and dehiscence), pain score, operative time, hospitalization, need for drain, time for drain removal and pulmonary function test before and after surgery

Inclusion Criteria:

• Adult patient fit for general anesthesia with parastomal herniation.

Exclusion Criteria:

• Patients who are unfit for general anaesthesia.
• Poor pulmonary function tests.
• Pregnant females.
• Patient younger than 18 years.
• Immunodeficiency.
• Patient with psychiatric disease disabling surgical intervention.