Endoscopic Ultrasound‐Guided Perirectal Abscess Drainage Using a Lumen‐Apposing Metal Stent in a 9‐year‐old Boy: 2017 Presidential Poster Award: 2039. (October 2017) - Advani, Rashmi; Manvar, Amar; Karia, Kunal; Novak, Inna; Ho, Sammy