sorry for the news , but u definitely should appeal, just send official (signed paper letter) not only to the VO, but also to the minister kenney and may be to prime minister office.(u have limited time to appeal!!) I have heard many succesfull stories of VO reversing decision after someone contacted higher officials.especially in cases where there is indeed
just misinterpretation..
you can browse google on this topic.
for example, "Explaining Magic process of mine Rejection to Medical received" at
http://www.trackitt.com/canada-discussion-forums/federal-skilled-workers/531418801/explaining-magic-process-of-mine-rejection-to-medical-received