Overview
Gastric adenocarcinoma is the most common stomach cancer, often linked to H. pylori.
Symptoms
- •Epigastric pain
- •Weight loss
- •Early satiety
- •Vomiting blood
- •Black stool
Stages
Stage 0Stage IStage IIStage IIIStage IV
Diagnosis
- ✓Upper endoscopy
- ✓Biopsy
- ✓CT abdomen
- ✓HER2 testing
Treatments
- →Gastrectomy
- →Chemotherapy
- →Targeted therapy (HER2+)
- →Radiation
Risk Factors
⚠️H. pylori
⚠️Smoked foods
⚠️Family history
⚠️Pernicious anemia
Key Facts
- ℹ️>90% of gastric cancers
- ℹ️5-yr survival: 70% (I), 5% (IV)
ICD-10: Cusive16.9 | Prevalence: yaygın
Last updated: 11/9/2025