Endomag (also known as Endomagnetics) is a medical technology company that develops technologies for breast cancer surgery. It offers Sentimag, a surgical guidance system for ultrasensitive detection in pre-and post-incision use; Magseed, a sterile biocompatible seed containing magnetic material placed near the tumor before surgery; Magtrace, an injectable liquid tracer containing magnetic particles used to identify and map lymphatic drainage basins; etc.