The document discusses proper trocar placement for various laparoscopic abdominal procedures. It presents a standardized approach of placing trocars in a semicircle around a target organ, while allowing for individual trocar positioning along an axis line. Various quadrants and procedures are reviewed, with exceptions for some extraperitoneal or combined cases where trocars may be placed in straight lines or other configurations. Proper trocar placement is emphasized as essential for optimizing visibility, ergonomics, safety and efficiency during laparoscopic surgery.