Mad Men's Jon Hamm 'Having Throat Surgery'

Mad Men star Jon Hamm is set to undergo surgery on his throat to remove a polyp, it has been reported.

The 42-year-old actor, who plays Don Draper in the hit show, apparently had a scare when he began to cough up blood as a result of the polyp on his vocal chords.

But he has reportedly been reassured by doctors that all will be well and he will go under the knife in Boston next week.

Life & Style broke the story, which it claims was overheard from one of his co-stars at an Emmys party.

A source said: "January Jones was talking about it at the Governors Ball afterparty last night."

Holly Willoughby recently had surgery on her vocal chords as well.

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