A group of students from EPFL developed a device they call the SmartBra. They claim it’s the first piece of smart clothing that is designed specifically to be used to prevent cancer.
https://www.slashgear.com/smartbra-detects-early-stage-breast-cancer-with-non-invasive-technology-06615615/
https://www.slashgear.com/smartbra-detects-early-stage-breast-cancer-with-non-invasive-technology-06615615/