“…Nonetheless, potential complications of endoscopic fenestration are iatrogenic perforation and, due to the incomplete excision, relapse and/or malignant transformation, which has been anecdotally reported. In the pediatric literature, very few cases of endoscopic fenestration of esophageal cystic duplications are described, 2 and, to our knowledge, the present case is the youngest reported performed without cautery. Hence, further studies are needed to establish adequate timing for subsequent endoscopic/radiological surveillance and also to evaluate medium-and long-term outcomes.…”