gastrointestinal disorders
Stomach Cancer
Introduction
Etiology of stomach cancer is multifactorial, butHelicobacter pyloriplays a significant role. Symptoms include early satiety, obstruction, and bleeding but tend to occur late in the disease. Diagnosis is by endoscopy, followed by CT and endoscopic ultrasonography for staging. Treatment is surgery sometimes in combination with chemotherapy or chemoradiation. Long-term survival is poor except for patients with local disease. Gastric adenocarcinoma accounts for 95% of malignant tumors of the stomach; less common are localized gastric Overview of Lymphoma , Stomach cancer is the 2nd most common cancer worldwide, but the incidence varies widely; incidence is extremely high in Japan, China, Chile, and Iceland. In the United States, incidence has declined in recent decades. Stomach cancer accounts for an estimated 26,500 cases and 11,130 deaths in the United States in 2023, making gastric cancer the 16th most commonly diagnosed cancer and the 17th leading cause of cancer-related death in the United States ( General reference ). In the United States, stomach cancer is most common among Black, Hispanic, and American Indian people. Its incidence increases with age;>75% of patients are>50 years. 