Final answer:
The left lobe of the liver is primarily located in the epigastric region, extending into the left hypochondriac region of the abdominopelvic cavity.
Step-by-step explanation:
The left lobe of the liver is found mainly in the epigastric region, but also extends into the left hypochondriac region of the abdominopelvic cavity. These regions are part of the nine-region scheme used to locate organs within the abdomen more accurately. The liver is divided into a larger right lobe and a smaller left lobe, separated by the falciform ligament. This organ plays a crucial role in digestion and metabolism, given its functions in bile secretion, blood detoxification, and nutrient storage.