WASHINGTON, May 18 -- The Society of Thoracic Surgeons (STS), Chicago, Illinois, is calling on the Office of Management and Budget (OMB) to rescind two Food and Drug Administration (FDA) guidance documents, citing potential harm to patients. In a letter to OMB Director Russell Vought, STS President Dr. Joseph F. Sabik III expressed concerns about the guidance related to reducing the risk of disease transmission from human cells, tissues, and cellular and tissue-based products. The STS, a not-fo  more