IGCS 2026 Critical Dates May 4, 2026 at 23:59 ETAbstract, Surgical Film, Trial-in-Progress, Late-Breaking Shell Submission Closes By June 10, 2026Abstract, Surgical Film, Trial-in-Progress, Late-Breaking Shell Submission Notifications Sent June 23, 2026Registration Deadline for Abstract Presenters June 30, 2026 at 23:59 ETEarly Registration Deadline To be Confirmed Late-Breaking Abstract Completed Submission Deadline September 9, 2026 at 23:59 ETRegular Registration Deadline September 10, 2026Abstract Embargo Release for Regular Abstracts & Surgical Films September 24, 2026Late-Breaking Title and Seminal Abstract Release *All dates are subject to change