The esophageal cancer is a malignant tumor that develops at the expense of cells of the esophagus.
http://www.healthoncare.com/esophageal-cancer.html
Esophageal Cancer : Definition, Causes, Symptoms, Diagnosis And Treatment
The esophageal cancer is a malignant tumor that develops at the expense of cells of the esophagus.
http://www.healthoncare.com/esophageal-cancer.html