Preferred Label : Stage IV Esophageal Cancer AJCC v7;
NCIt related terms : Stage IV Esophageal Cancer;
NCIt definition : Stage IV includes: For squamous cell carcinoma: Any T, Any N, M1, Any G, Tumor location:
Any. For adenocarcinoma: Any T, Any N, M1, Any G. M1: Distant metastasis. Tumor location:
Location of the primary cancer site is defined by the position of the upper (proximal)
edge of the tumor in the esophagus. (AJCC 7th ed.);