The treatment of esophageal cancer remains one of the difficult matters with all the advances in modern medicine, whether pharmacological or surgical, where the therapeutic results for esophageal cancer patients are considered one of the worst results compared to other digestive system tumors, and a German medical team from the University of (Muenster) has done a published research Recently in The American Journal of Gastroenterology, a study of 200 files of patients diagnosed with esophageal cancer between 1992 and 2006, 117 of whom underwent complete resection by surgery. Ultrasonography), which is one of the advanced devices specialized in determining the extent of the spread of tumors through the digestive system and adjacent tissues, and there are other uses as well. The medical team indicated that the ultrasound endoscope is useful in accurately determining the extent of the spread of cancerous tumors of the esophagus. The team also mentioned that the accuracy rates reach 90 percent when the doctor is able to For a specialist to use the device, this is useful in determining the extent of the spread of tumors in the patient’s body, and the treating doctors are useful in determining the appropriate type of treatment, whether it is excised laparoscopically or that the patient undergoes surgery and the extent of the patient’s need for chemotherapy.