This document provides information on carcinoma of the esophagus, including:
- Esophageal cancer is the 8th most common cancer worldwide, with high incidence rates in parts of Africa and Asia. Squamous cell carcinoma and adenocarcinoma account for most cases.
- The esophagus has three layers - mucosa, submucosa, and muscularis propria. It lacks a serosa, allowing early extraesophageal spread.
- Staging uses AJCC TNM and other systems to assess tumor size, lymph node involvement, and metastasis.
- Risk factors include smoking, alcohol, hot foods/liquids, micronutrient deficiencies, GERD, and Barrett's