Add to Calendar 2023/01/12 07:00:002023/01/12 21:45:00America/New_YorkCTO 2023 - Submission deadline for abstracts and challenging cases.Submission deadline for abstracts and challenging cases. https://cto2023.crfconnect.com/topics-categories-guidelinestrueMM/DD/YYYY30OPAQUEavxynsonlzqlbx4y4mnm2187