4. -A growth of neoplasm in the middle or lower portion of the esophagus. -Esophageal CA has often metastasized by the time of diagnosis
5. Pathophysiology
6. -Dysphagia -Pain with swallowing -Substernal pain that radiates to back and neck. -Choking -Sore throat -Esophageal obstruction (late sign esophageal CA)