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Clinical Data on Small Abdominal Wall Hernias
I believe most surgeons would perform a simple primary suture repair for such a small epigastric hernia. If it can be reached from the umbilicus (belly button), then the incision can be hidden in there.
Most surgeons place mesh for most umbilical or epigastric hernias, nationally. And studies show that mesh repair is always superior to non-mesh for this problem, in terms of recurrence. However, the smaller the hernia, the less the superiority of mesh in reducing recurrence. In my practice, I do not routinely place mesh if these hernias are under 2cm.