This article goes along with what Blue said, they can retroactively cancel your policy and charge you the portion they covered.
http://www.msnbc.msn.com/id/20186938/
It's BS IMO. They look for any reason to not pay out, even if it means the person could die or lose everything fighting the disease
http://www.msnbc.msn.com/id/20186938/
It's BS IMO. They look for any reason to not pay out, even if it means the person could die or lose everything fighting the disease