Adenocarcinoma of oesophagus

Description

A malignant tumour with glandular differentiation arising predominantly from Barrett mucosa in the lower third of the esophagus. Grossly, esophageal adenocarcinomas are similar to esophageal squamous cell carcinomas. Microscopically, adenocarcinomas arising in the setting of Barrett esophagus are typically papillary and/or tubular. The prognosis is poor.

Coding note from above levels

For use of this category, reference should be made to the mortality coding rules and guidelines in the Reference Guide.

Exclusions from above levels

• 2D8Y – Malignant neoplasm metastasis in the oesophagus
• http://id.who.int/icd/entity/1965082709 – Malignant mesenchymal neoplasms
• http://id.who.int/icd/entity/111033337 – Malignant neoplasm metastasis in digestive system