Four ports are made for laparoscopic cholecystectomy. Two of these ports are 10 mm whereas 2 ports are of 5 mm. - First 10 mm port It is a camera port. This port is also used for insufflation. - Second 10 mm port This port is made in epigastrium. - First 5 mm port This port is present below subcostal margin on right side. It is a port for maryland grasper - Second 5 mm port This is another grasping port Reference: https://emedicine.medscape.com/article/1582292-technique#:~:text=Novitsky%20et%20al%20concluded%20that,patients%20undergoing%20elective%20laparoscopic%20cholecystectomy. Image via: https://msurgery.ie/home/operative-procedures/major-procedures/general-surgery/laparoscopic-cholecystectomy/