Stephen Colbert Cancels Shows , After Emergency Appendectomy.br On Nov. 27, Colbert took to social media br to reveal that his appendix burst, br 'The Washington Post' reports. .br The condition can be life-threatening, br according to the Mayo Clinic.br Colbert had to have emergency surgery, resulting in the cancellation of his br late-night shows for the week.br Celebrities that were originally slated br to appear on 'The Late Show with br Stephen Colbert' this week include:.br Jennifer Garner, Baz Luhrmann, John Scofield.br Jennifer Garner, Baz Luhrmann, John Scofield.br Jennifer Garner, Baz Luhrmann, John Scofield.br Patrick Stewart, Jon Batiste.br Patrick Stewart, Jon Batiste.br Barbra Streisand and Kelsey Grammer.br Barbra Streisand and Kelsey Grammer.br Colbert only recently returned to br 'The Late Show' last month following br the Writers Guild of America strike.br Colbert only recently returned to br 'The Late Show' last month following br the Writers Guild of America strike.