This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Peptic Ulcer Disease, Subject name: Medicine
Which is the most common site for chronic gastric ulcer? 
Select and explain. 
A. Lesser curvature at incisura, B. High on lesser curvature, C. Greater curvature, D. Pre-pyloric
A: Lesser curvature at incisura
Answer: A: Lesser curvature at incisura 
Explanation: Modified Johnson classification for gastric ulcers Type 1 Gastric ulcer is the most common type of gastric ulcer Type Location Acid level I Lesser curvature at incisura Low to normal II Gastric body with duodenal ulcer Increased III Prepyloric Increased IV High on lesser curvature Normal V Anywhere Normal, NSAID-induced Type II gastric ulcer has the maximum risk for malignancy.