Repeat endoscopic intermuscular dissection of the visible scar after noncurative endoscopic intermuscular dissection of a rectal neuroendocrine tumor

Endoscopic resection with advanced techniques such as endoscopic submucosal dissection is the first-line treatment for small rectal neuroendocrine tumors (NETs) [1]. When initial resection is not curative (R0), systematic rectal revision seems relevant in order to remove the scar [2]. Recently, endoscopic intermuscular dissection (EID) has been described for increasing the deep resection margin and R0 rate [3] [4].