History A list of downloadable documents created during development. Other information IPG200 Treatment of early-stage oesophageal cancer with photodynamic therapy: Understanding NICE guidance (MS Word format) MSWord 400 KB 13 December 2006 IPG200 Photo-dynamic therapy for early oesophageal cancer: Audit criteria MSWord 348 KB 18 December 2006 Photo-dynamic therapy for early oesophageal cancer (interventional procedures consultation) information Photo-dynamic therapy for early oesophageal cancer (interventional procedures overview) PDF 143 KB 25 July 2006 IPG200 Photo-dynamic therapy for early oesophageal cancer: consultation comments table PDF 27 KB 13 December 2006