Most commonly adenocarcinoma, less freq endocrine tumours, lymphomas, stromal tumours. TNM staging
Adenocarcinoma of GOJ associated with reflux, but of body/antrum not a/w.
Factors: diet, H. pylori, bile reflux, hypochlorhydria
- Intestinal type - well or moderately differentiated
- Diffuse type - poorly differentiated, scattered growth, cadherin loss