Canadian data is current through March 2018. All of the data comes from Health Canada, except for the categories Manufacturer Parent Company and Product Classification.
The Parent Company and the Product Classification were added by ICIJ.
The parent company information is based on 2017 public records. The device classification information comes from FDA’s Product Classification by Review Panel, based on matches of recall data from the U.S. and Canada.
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If symmetric field moded up when non-varian linac positions are asymmetric & linac x1/y1 jaw value=1/2 plan symmetric value then x2/y2 jaw value out of position. treatment will not be inhibited.