Complex sentence: Biliary colic is abdominal pain in the right upper quadrant or epigastrium that is usually episodic, occurs after eating greasy or fatty foods, and leads to nausea and/or vomiting.
Split into simpler sentences: Biliary colic is abdominal pain in the right upper quadrant or epigastrium. It is episodic, occurs after eating greasy or fatty foods, and leads to nausea and/or vomiting.