Comment on

• Submucosal endoscopic tumor resection for subepithelial tumors in the esophagus and cardia.

  Inoue H, Ikeda H, Hosoya T, Onimaru M, Yoshida A, Eleftheriadis N, Maselli R, Kudo S. Inoue H, et al. Endoscopy. 2012 Mar;44(3):225-30. doi: 10.1055/s-0031-1291659. Epub 2012 Feb 21. Endoscopy. 2012. PMID: 22354822
• Preliminary experience of endoscopic submucosal tunnel dissection for upper gastrointestinal submucosal tumors.

  Gong W, Xiong Y, Zhi F, Liu S, Wang A, Jiang B. Gong W, et al. Endoscopy. 2012 Mar;44(3):231-5. doi: 10.1055/s-0031-1291720. Epub 2012 Feb 21. Endoscopy. 2012. PMID: 22354823
• Endoscopic transgastric vs surgical necrosectomy for infected necrotizing pancreatitis: a randomized trial.

  Bakker OJ, van Santvoort HC, van Brunschot S, Geskus RB, Besselink MG, Bollen TL, van Eijck CH, Fockens P, Hazebroek EJ, Nijmeijer RM, Poley JW, van Ramshorst B, Vleggaar FP, Boermeester MA, Gooszen HG, Weusten BL, Timmer R; Dutch Pancreatitis Study Group. Bakker OJ, et al. JAMA. 2012 Mar 14;307(10):1053-61. doi: 10.1001/jama.2012.276. JAMA. 2012. PMID: 22416101 Clinical Trial.
• Robot-assisted endoscopic submucosal dissection is effective in treating patients with early-stage gastric neoplasia.

  Phee SJ, Reddy N, Chiu PW, Rebala P, Rao GV, Wang Z, Sun Z, Wong JY, Ho KY. Phee SJ, et al. Clin Gastroenterol Hepatol. 2012 Oct;10(10):1117-21. doi: 10.1016/j.cgh.2012.05.019. Epub 2012 May 27. Clin Gastroenterol Hepatol. 2012. PMID: 22642951 Clinical Trial.
• Prospective randomized clinical trial comparing laparoscopic cholecystectomy and hybrid natural orifice transluminal endoscopic surgery (NOTES) (NCT00835250).

  Noguera JF, Cuadrado A, Dolz C, Olea JM, García JC. Noguera JF, et al. Surg Endosc. 2012 Dec;26(12):3435-41. doi: 10.1007/s00464-012-2359-4. Epub 2012 May 31. Surg Endosc. 2012. PMID: 22648123 Clinical Trial.