Is a second ligation necessary in endoscopic submucosal resection of rectal carcinoid tumors?

References

• 1 Moon J H, Kim J H, Park C H. et al . Endoscopic submucosal resection with double ligation technique for treatment of small rectal carcinoid tumors.  Endoscopy. 2006;  38 511-514
• 2 Ono A, Fujii T, Saito Y, Matsuda T. et al . Endoscopic submucosal resection of rectal carcinoid tumors with a ligation device.  Gastrointest Endosc. 2003;  57 583-587
• 3 Mashimo Y, Matsuda T, Uraoka T. et al . Endoscopic submucosal resection with a ligation device is an effective and safe treatment for carcinoid tumors in the lower rectum.  J Gastroenterol Hepatol,. in submission;