Fig. 1From: Transumbilical single-site two incision laparoscopic pyloromyotomy for pediatric hypertrophic pyloric stenosisA 5 mm incision was made at the right rim of the umbilical ring for a 5 mm trocar and a 30° laparoscope. The second 3 mm incision was made at the left rim of the umbilical ring for a 3 mm trocar and the related 3 mm instrumentsBack to article page