On: Are colonoscopies worth it?

[hermitcrab]

The first relevant definition I found online was:

"(of medical procedures) involving the introduction of instruments or other objects into the body or body cavities."

YMMV

[Supermancho → hermitcrab]

Maybe it's something more like the insertion of a foreign instrument through the epidermis or into a body cavity that...

I dunno. Ears (eardrums), colons, etc are tricky to cover all at once. I don't envy the authors of medical literature.