This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
All are risk factors for Ca stomach except 
Select and explain. 
A. H.Pylori infection, B. Gastric atrophy, C. Adenomatous polyp, D. Alcohol
B: Gastric atrophy
Answer: B: Gastric atrophy 
Explanation: Factors Associated With Increased Risk for Developing Stomach CancerNutritionalLow fat or protein consumptionSalted meat or fishHigh nitrate consumptionHigh complex carbohydrate consumptionEnvironmentalPoor food preparation (smoked, salted)Lack of refrigerationPoor drinking water (e.g., contaminated well water)SmokingSocialLow social classMedicalPrior gastric surgeryH. pylori infectionGastric atrophy and gastritisAdenomatous polypsOtherMale sexSabiston 20e pg: 1239