Gastric cancer is the fourth most common form of cancer worldwide, affecting 900,000 people per year. HDGC probably accounts for less than 1 percent of these cases.
How many people are affected by hereditary diffuse gastric cancer ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by hereditary diffuse gastric cancer ? [/INST] \n Gastric cancer is the fourth most common form of cancer worldwide, affecting 900,000 people per year. HDGC probably accounts for less than 1 percent of these cases.</s>