ClearCanvas has released SP1 to address the bug in their software that affected the polygon ROI tool.
You can download the ClearCanvas Service Pack from the ClearCanvas website: http://www.clearcanvas.ca/
Original Post from ClearCanvas site: http://www.clearcanvas.ca/dnn/Home/News/tabid/196/EntryId/60/Workstation-1-5-SP1-Now-Available.aspx
