Stomach cancer

Gastric cancer refers to a malignant tumor that occurs in the stomach and is one of the common malignant tumors in China. Most cases involve the malignant transformation of the gastric mucosa epithelium, leading to abnormal growth and cancer. This disease is more common in people aged 40-70, with a higher incidence in males. The main symptoms include abdominal pain, indigestion, weight loss, and black stools.