24 of 24: In this March 3, 2011 file photo, U.S. actor Larry Hagman, known for his roles on "I Dream of Jeannie," and "Dallas," poses at the Opera ball in Vienna, Austria. Hagman has been diagnosed with cancer. He declined to specify what kind of cancer he's contracted, but said it's ?a very common and treatable form.? (AP Photo/ Ronald Zak)

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