"He said the damage may have been caused by a vessel strike or other "heavy contact", but investigators are waiting on tissue tests and other results to determine exactly what happened" - Paul Cottrell, Pacific marine mammal coordinator with Fisheries and Oceans Canada.

So, there is a possibility that this orca was pummeled by one of the  5000+ ships that currently load and offload at Port Metro Vancouver every year?

Well obviously we can't have that.  Shut down the port!   (Sarcasm off)