GammaTile Therapy is the Next Step in the Expansion of Cesium to Additional Markets IsoRay, Inc. (NYSE American: ISR), a medical technology company and innovator in seed brachytherapy and medical radioisotope applications for the treatment of prostate, brain, lung, head and neck and gynecological cancers and GT Medical Technologies, Inc., today announced the receipt of … Continue reading IsoRay Announces FDA Clearance of GammaTile™ Therapy for the Treatment of Recurrent Brain Neoplasms