Figure 3From: A randomized controlled trial of endoscopic steroid injection for prophylaxis of esophageal stenoses after extensive endoscopic submucosal dissectionEsophageal stenosis assessed by esophagography. The white lines indicate the stricture caused by resection. The stricture had substantially improved 1 month later. The left esophagogram (a) was taken 2 months after endoscopic submucosal dissection (ESD); the right esophagogram (b) was taken 3 months after ESD.Back to article page