This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Malignant gastric ulcers are characterized by A/E ? 
Select and explain. 
A. Malignant gastric ulcers are characterized by A/E ?, B. Mucosal rugae stop far of ulcers, C. Eccentric crater, D. Margins are raised
A: Malignant gastric ulcers are characterized by A/E ?
Answer: A: Malignant gastric ulcers are characterized by A/E ? 
Explanation: Ans. is 'a' i.e., Ulcer extends beyond the gastric wallo In malignant ulcers mucosal rugae stop far of the ulcers whereas in benign ulcers mucosal rugae projects outwards from the margins of the ulcer