Katherine Heigl ready to stay on Grey‘s -but doesn’t know fate of Izzie

Many believe the recent plot twist on Grey’s Anatomy, where it’s revealed that Dr. Izzie Stevens has stage 4 Metastatic Melanoma with five percent chances of survival, is Katherine Heigl’s swan song on the show.

There’s been massive speculation that Heigl wants to pursue her blossoming film career (“Knocked Up,” the upcoming “The Ugly Truth”) full-time, and that her character might be killed off.

Last month, fellow cast member James Pickens Jr. said Heigl was leaving the show, along with T.R. Knight, both of whom declined comment at the time.

However Heigl said Friday while attending a studio party to mark the ABC medical drama’s 100th episode, that she’s ready to stay with “Grey’s Anatomy” and the decision rests with the show.

Heigl said it’s premature to think her days as Dr. Izzie Stevens are numbered:

“No one will tell me and I don’t know how this is going to go,” Heigl said, noting series creator Shonda Rhimes’ passion for plot secrecy.

“I don’t know if I live or die. I don’t know how Izzie fares,” said the actress, who’s played the character since the show debuted in 2005.

“I’m there” if Izzie remains part of “Grey’s Anatomy,” Heigl said. She called the set “one of my favorite places to be” and said her colleagues are also friends.

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