Hi, I had gone through your question and understand your concerns. These are not indicating cancer especially if this lasts for so long. You have typical signs of gastritis which may be accompinied wirh gerd or hiatal hernia. so you should do gastroscopy to evaluate it more accurately. This is caused by irritation of stomach mucosa by certain food or medications, stress and smoking. You need to avoid fried food, carbonated drinks, coffee, alcohol and spicy food. You should eat more milk products, vegetables and boiled food. Also, certain antiacid medications may be required by diagnosis should be established first. Hope this answers your question. If you have additional questions or follow up questions then please do not hesitate in writing to us. I will be happy to answer your questions. Wishing you good health.