Background: Gastrointestinal Cancers are one of the most important causes of mortality of patients in the world as well as in our country. The North of Iran is in Asian belt of esophagus cancer in addition, in other areas of our country gastric cancer is the most common GI Cancer. Because GI Cancers are common in Lorestan, we decided to study them in patients undergo endoscopy and colonoscopy i...

Gastrointestinal oncology is one of the foremost causes of death: the gastric cancer accounts for 10.4% of cancer deaths worldwide, the pancreatic cancer for 6%, and finally, the colorectal cancer for 9% of all cancer-related deaths. For all these gastrointestinal cancers, surgical tumor resection remains the primary curative treatment, but the overall 5-year survival rate remains poor, ranging...

Upper gastrointestinal tract cancers are one of the most important leading causes of cancer death worldwide. Diagnosis at late stages always brings about poor outcome of these malignancies. The early detection of precancerous or early cancerous lesions of gastrointestinal tract is therefore of utmost importance to improve the overall outcome and maintain a good quality of life of patients. The ...