Which diagnostic or surgical procedure can best determine the spread of stomach cancer to the peritoneum?

The diagnostic or surgical procedure can best determine the spread of stomach cancer to the peritoneum is: Laparoscopy
During a laparoscopy, the surgeon will insert some sort of optical device into the patient's abdominal wall. After the optical device is in place, the medical team could observe the condition of the patient's stomach and determine how far the cancer has spread

By placing 2 fingers at the sternum (the spot where the lower ribs meet) the put the heel of your other hand next to your fingers. hope this