Mark your Calendar

106th Annual Meeting
September 26-29, 2018
Sheraton Austin Hotel at the Capitol
Austin, TX


Make plans to join us next fall for another informative and collegial program. Registration will open in the new year. Submit an abstract!

The Benefits of Membership

COS membership is a great value! Through our quarterly Journal and Annual Meeting, you can earn over 40 CME credits each year.

Membership Benefits

Submit an Abstract

COS will recognize outstanding papers with the Resident/Fellow Paper Award, 3 Oral Abstract Awards and 3 Resident/Fellow Rapid Fire Awards.

Submit an Abstract