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: Radiology
'Carman meniscus sign' in barium meal is pathognomic of: September 2003 
Select and explain. 
A. Malignant gastric ulcer, B. Lipoma stomach, C. Gastric polyposis, D. Lymphoma
A: Malignant gastric ulcer
Answer: A: Malignant gastric ulcer 
Explanation: Ans. A i.e. Malignant gastric ulcer