Changes or Cancellations

Last-minute changes happen. Reference the information below to help understand key dates and the process for any changes that you need to make to your Registration or Hotel Reservation.

Registration Changes and Cancellations

Submit registration changes or cancellations

Registration Cancellation Deadline: Monday, July 24, 2017, at 11:59 PM (EDT)                      

  • Registration Cancellation Fee: $50
  • Refunds will be processed after the Meeting.
  • Foundation donations, membership dues, and paper processing fees are nonrefundable.
  • To retain the Best of ASCO Videos and Slides, visit the ASCO University bookstore.
  • No refunds or cancellations received after the Monday, July 24, 2017, deadline

Registration substitutions must be submitted by email by the person who paid for the registration or by the original attendee. 

Hotel Changes and Cancellations

Changes and Cancellations: Until Wednesday, July 19, 2017 changes or cancellations can be made online. Changes and cancellations cannot be made Thursday, July 20, 2017. Beginning Friday, July 21, 2017, contact the hotel directly to make a change or cancel a reservation.

FINAL Hotel Reservation Cancellation Deadline: 72 hours prior to your scheduled arrival date.  Your credit card will be charged a cancellation fee equal to daily room rate plus tax if you cancel your reservation less than 72 hours prior to your scheduled arrival date.