1. Gastric ulcers *Signs of benignancy smooth ulcer mound with tapering edges edematous ulcer collar with overhanging mucosal edge radiating folds extending into the crater depth of ulcer greater than width sharply marginated contour Hampton's line – (thin, sharp, lucent line that traverses the orifice of the ulcer)' *Signs of malignancy ulcer within the lumen of the stomach ulcer eccentrically located within the tumor mound nodular, rolled, irregular, or shouldered edges shallow ulcer with a width greater than its depth Carmen meniscus sign – (large flatbased ulcer with heaped-up edges that fold inward to trap lens-shaped barium collection that is convex toward the lumen)

2. Peptic Ulcer DIsease

3. Gastric Cancer

4. GIST

5. MALT