Endoscopic full-thickness resection with omental patch closure for a gastric stromal tumor in the gastric cardia - Kerdsirichairat, Tossapol; Vosoughi, Kia; Ichkhanian, Yervant; Ngamruengphong, Saowanee; Kalloo, Anthony N.; Kumbhari, Vivek; Khashab, Mouen A. (Endoscopy, 2019)