Stomach cancer has bad breath.

The causes of gastric cancer are related to long-term Helicobacter pylori infection, smoking, poor eating habits and other factors. Smoking and Helicobacter pylori infection can lead to halitosis in patients. Patients with gastric cancer need to see oncology department. Generally, surgery is mainly selected, and the gastric body can be removed. After operation, the next treatment mode needs to be decided according to tumor infiltration and lymph node metastasis.