A 46-year-old male presents with intermittent upper abdominal pain for 3 years, worsening over the past 2 months. Gastroscopy reveals an ulcer at the gastric angulus, with positive Helicobacter pylori. The preferred treatment is:
A 46-year-old male presents with intermittent upper abdominal pain for 3 years, worsening over the past 2 months. Gastroscopy reveals an ulcer at the gastric angulus, with positive Helicobacter pylori. The preferred treatment is: