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VideoGIE, an official video journal of the American Society for Gastrointestinal Endoscopy, is an Open Access, online-only journal to serve patients with digestive diseases. VideoGIE publishes original, single-blinded peer-reviewed video case reports and case series of endoscopic procedures used in the study, diagnosis, and treatment of digestive diseases. Videos demonstrate use of endoscopic systems, devices, and techniques; report outcomes of endoscopic interventions; and educate physicians and patients about gastrointestinal endoscopy. VideoGIE serves the educational needs of endoscopists in training as well as advanced endoscopists, endoscopy staff and industry, and patients. VideoGIE brings video commentaries from experts, legends, committees, and leadership of the society. Careful adherence to submission guidelines will avoid unnecessary delays, as incomplete submissions may be returned to the authors before initiation of the peer review process.
During screening colonoscopy, a 45-year-old man is found to have a rectal submucosal lesion. EUS reveals a 2.5-cm hypoechoic lesion emanating from the adventitial layer with an intact muscularis propria. EUS-guided core biopsy shows a GI stromal tumor (GIST), and the patient is referred for endoscopic adventitial dissection (Figure). Which of the following is true regarding GISTs?