Board Thread:Naruto Discussions/@comment-3965545-20160202201023/@comment-142748-20160203011920

QuakingStar wrote: Hence the term "Rare" meaning it does not contradict anything. How can it be rare when it doesn't happen anywhere else or with anyone else?

And the novel IS non-canon and contradicting other sources. Itachi wasn't sick in Part I, no one ever stated her was.