Review the pages above for ASCO's abstract polices and submission requirements; however, please note that the abstract submitter is now closed. Important dates in the abstract timeline appear below.

Abstract Submission Key Dates

Early November 2015
Abstract notifications sent to First Authors

Early November 2015
Abstract titles available on Gastrointestinal Cancers Symposium website

November 17, 2015
Late-breaking data submission deadline ("shell" abstract must have been submitted by September 22, 2015)

Late November 2015
Abstract notifications sent to First Authors of late-breaking data submissions

November 30, 2015
Abstract withdrawal deadline (withdrawal requests must be made by email to gisymposium@asco.org by first authors only)

January 19, 2016
Abstracts are released on abstracts.asco.org at 5:00 PM (EST)

Past Key Dates

Early August 2015
Abstract submission opens

September 22, 2015
Abstract submission deadline (at 11:59 PM EDT)