What sort of disorder is esophageal cancer?

Cancer of lining. This is cancer of the lining of your swallowing tube or esophagus. This canne diagnosed in several ways, usually best by endoscopy.
Serious. The successful treatment of esophageal cancer frequently requires surgery, chemotherapy and radiation. If it has not spread it is still potentially curable. Treatment needs to be coordinated by an oncologist or surgeon familiar with the disease.