The meeting will be held at the Walter E. Washington Convention Center, 801 Mt Vernon Pl NW, Washington, DC 20001; Phone: +1-202-249-3000.
Marriott Marquis Washington, D.C. - Headquarters Hotel
Marriott Marquis Washington, D.C. is designed for the multi-dimensional traveler. Located within walking distance from historic local attractions, and exciting nightlife, uncover accommodations that are thoughtfully dynamic. The lobby captures depth with a stunning sun-filled white marble Atrium featuring a custom 55-foot sculpture. Rest in guestrooms and suites with modern features and amenities. Stay healthy in the massive free bi-level fitness center with leading-edge equipment.
901 Massachusetts Avenue NW
Washington, D.C. 20001

Ways to Secure Housing
Hotel reservations for the 2023 Tumor Section Symposium can be reserved in conjunction with the 2023 CNS Annual Meeting. The CNS headquarter hotel is the Marriott Marquis Washington, D.C., and additional hotels and discounted room rates are available upon registration.
Book your hotel through the MCI registration site, the CNS official housing bureau.
Hotel Change/Cancellation Policy
- The deadline date for new reservations is August 14, 2023, based on availability. Please make any changes or cancellations through the CNS official housing bureau, MCI, through August 14.
Beginning August 15, 2023
- All changes, cancellations, or questions regarding your reservation must be made directly with the hotel.
- If cancellation notice is not received according to the hotel policy, the deposit will be forfeited. Your individual hotel’s cancellation policy can be found in your emailed confirmation.
Deposit
A deposit of one night’s room and tax is due at the time your hotel reservation is made. This payment must be submitted with your registration fee and will be charged to the credit card provided.
Please make checks payable to:
CNS Registration and Housing Center
6100 W. Plano Parkway, Suite 3500, Plano, TX 75093.
All rooms are subject to applicable state and local taxes. A small portion of your room rate will be used to help defray the cost of registration and housing services. Hotel reservations requested without deposit will not be processed.