Table 3.

Additional port insertion case

Case	Age (months)	Sex	Body weight (kg)	Laterality	Operation time (min)	Complications	Postoperative hospital stay
1	49	Boy	14	Bilateral	55	As it was confirmed that gas was escaping into the left hernial sac, a 3-mm port was inserted in RLQ, the ligated suture was cut off, and PIRS was performed again.	1
2	3	Boy	7.5	Right	50	Difficulties to get through the peritoneum resulted in bleeding, a 3-mm port was inserted additionally on the left side, and the internal ring was sutured in the purse string method.	0
3	33	Boy	17	Right	25	A 3-mm port was additionally drilled on the left side as the peritoneum could not be passed through.	1