"Pancreatic cancer
New option(s) added for:
Chemoradiotherapy for resected pancreatic cancer One long-term follow-up study added. It found no significant difference between adjuvant chemoradiotherapy and surgery alone for overall survival or progression-free survival at 11.7 years' follow-up. Categorisation unchanged (Unknown effectiveness), as the evidence is not strong enough to draw definitive conclusion."
don't forget : 51% Unknown effectiveness ..
http://clinicalevidence.bmj.com/ceweb/about/knowledge.jsp
one example "Unknown effectiveness"
"Pancreatic cancer New option(s) added for: Chemoradiotherapy for resected pancreatic cancer One long-term follow-up study added. It found no significant difference between adjuvant chemoradiotherapy and surgery alone for overall survival or progression-free survival at 11.7 years' follow-up. Categorisation unchanged (Unknown effectiveness), as the evidence is not strong enough to draw definitive conclusion."