Well, I will say something. snips from that article:
"Up to 90% of endometriosis cases COULD be detected . . . "
". . . as it COULD spare them the need to undergo keyhole surgery."
". . . It is HOPED that it will be available privately . . ."
"Test kits are being put together for clinical laboratories in the UK and around the world, and SHOULD IT PROVE SUCCESSFUL, it is HOPED that similar tests for a range of cancers will follow.