DEERFIELD, Ill., Feb. 26, 2020 (GLOBE NEWSWIRE) — RTI Surgical Holdings, Inc. (Nasdaq: RTIX), a global surgical implant company, will showcase its expanding body of clinical data on the SImmetry® Sacroiliac Joint Fusion System at the 2020 International Society for the Advancement of Spine Surgery (ISASS) meeting in San Juan, Puerto Rico, from February 26-28. The …