Updated 03/05/2009 05:46 PM
Williams To Undergo Heart Surgery, Postpones B'Way Show
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Comedian Robin Williams is expected to undergo heart surgery after postponing the remainder of his one-man show.
According to his publicist, the 57-year-old is in need of an aortic valve replacement.
Earlier this week, the comedian and actor canceled four shows in Florida after experiencing shortness of breath.
Williams was scheduled to bring his "Weapons of Self-Destruction" show to Broadway this spring.
The 80-city tour is expected to resume in the fall.