#Pushing #Boundaries #Energy #Group #Graphic [ad_1] Warning: This video accommodates precise surgical footage which will not be appropriate for all viewers. Orthopaedic surgeon Nathan Mesko, MD, presents on a chondrosarcoma of the manubrium and a sternal chondrosarcoma. Dr. Mesko is the Director of Sarcoma Care and Heart Director for Musculoskeletal Oncology, Cleveland Clinic. ▶Share this