Esophagus and Esophagogastric Junction

Tumor location is simplified, and esophagogastric junction and proximal 5 cm of stomach are included Tis is redefined and T4 is subclassified Regional lymph nodes are redefined. N is subclassified according to the number of regional lymph nodes containing metastasis M is redefined Separate stage groupings for squamous cell carcinoma and adenocarcinoma Stage groupings are reassigned using T, N, M, and G classifications