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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The dose distribution for a "fit and shield" plan is not cleared after changes are made to one or more mlc segments. the result is a mismatch between the displayed dose distribution and the dose which would be delivered through the changed mls apertures.