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.<br />The comedian has hosted the show <br />since 2015 after David Letterman left