Precancer diseases of the stomach are:
1) Chronic ulcer
2) Menetreaux disease (antral rigid gastritis)
3) Polyposis
4) Biliary reflux gastritis of the stump
5) Chronic gastritis with enterolisation of the mucosa
A. 1,2,3
B. 1,3
C. 1,2,4
D. 2,3
E. All answers are correct
Answer: E. All answers are correct