I would venture a guess that any complications both major and minor will be taken care of by the physician. If you want regular health protection it's available but anything related to post-op wouldn't be covered as it would be a considered a pre-existing condition.
See if a travel agent can recommend a travel insurance company for a definite ruling. If you belong to an auto club like AAA or CAA in Canada, they offer travel insurance.
I'd also get insurance to cover your flights in case you need to cancel.
Love,
Clare