Comment by SauntSolaire

2 hours ago

If I doctor performed a cancer screening on me, for free and without me asking, then yes — as a matter of courtesy I would still expect that doctor to tell me if he found cancer, rather than reading about it on his blog later.

That is legally allowed as part of studies, to which a patient must agree after being proposed. Otherwise, it is illegal.

> If I doctor performed a cancer screening on me, for free and without me asking

But that would never happen, so the point is moot.