Sanarus Medical, a Pleasanton, Calif. company that makes a device to treat breast tumors, has raised $15 million in fifth round of funding, according to a regulatory filing cited by PE Week.

Investors included Easton Capital Partners, Alta Partners, Forward Ventures, Channel Medical Partners, Federated Kaufman Fund, Pequot Private Equity and U.S. Venture Partners. The company has now raised around $72 million in funding.