Late-breaking abstract submission for the STS 54th Annual Meeting is now open through December 8, 2017. If you have questions, please email Education. Review the STS 54th Annual Meeting Late-Breaking Abstract Submission Instructions and Policies. Abstract submissions that were previously submitted and not accepted for presentation at the STS 54th Annual Meeting will not be considered as late-breaking abstracts. Submit Late-Breaking Abstracts If you previously submitted an abstract for the Annual Meeting, log in here to view your abstracts and/or submit commercial disclosures.