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: Surgery
Which one of the following types of stomach cancers carries the best prognosis - 
Select and explain. 
A. Superficial spreading, B. Ulcerative types, C. Linitis plastica type, D. Polypoidal type
A: Superficial spreading
Answer: A: Superficial spreading 
Explanation: None