HealthMyne, a fast-growing Madison start-up that that provides analytics for medical images in cancer care, has raised $6.9 million of investments, according to a filing with federal securities regulators.

The company, which lists among its co-founders the medical physicist who developed the technology behind TomoTherapy Inc., will use the proceeds for research and development and general corporate purposes, the filing said. There were 23 investors participating in the deal, it said. Read the full story here.