Validation of classic and expanded criteria for endoscopic submucosal dissection of early gastric cancer: 7 years of experience in a Western tertiary cancer center.

Objective: Our aim was to evaluate the Japan Gastroenterological Endoscopy Society criteria for endoscopic submucosal resection of early gastric cancer (EGC) based on the experience in a Brazilian cancer center.

Methods: We included all patients who underwent endoscopic submucosal resection for gastric lesions between February 2009 and October 2016. Demographic data and information regarding the endoscopic resection, pathological report and follow-up were obtained.

Endoscopic Treatment of Early Cancer of the Colon.

Colorectal cancer is the fourth most common cancer diagnosis worldwide and the second leading cause of cancer death. In the United States, it is estimated that in 2015 there will be 132,700 new cases of colorectal cancer (representing 8.43% of all new cancer cases) and 49,700 deaths.