Final answer:
The correct term for the presence of stones or calculi in the stomach is gastrolithiasis. Cholelithiasis defines gallstones in the gallbladder, which primarily consist of cholesterol and may lead to jaundice if they obstruct the bile duct.
Step-by-step explanation:
The term that refers to the presence of calculi, or stones, in the stomach is gastrolithiasis. Options b) gastritis and d) cholecystitis are conditions related to inflammation of the stomach lining and gallbladder, respectively. Whereas, c) cholelithiasis refers to gallstones, which are found in the gallbladder, not the stomach. Gallstones are composed primarily of cholesterol, and they can cause jaundice when they block the bile duct.