Superficial and early cancers of the esophagus.

The following, from the 12th OESO World Conference: Cancers of the Esophagus, includes commentaries on the evolution of Barrett's dysplasia to early cancer; the early detection of esophageal cancer in China; new technologies of treatment for dysplasia; the prognostic value of molecular markers expression in esophageal squamous cell carcinoma; the follow-up schedule after ablation of high-grade dysplasia; intramucosal cancers; and tubular widespread endoscopic esophageal submucosal dissection with high-dose steroid stricture prevention.