Katherine Heigl back at 'Grey's Anatomy'

June 18, 2009 Izzie, diagnosed with stage IV metastatic cancer in the brain and liver, underwent successful brain surgery but lost her short-term memory and flat-lined during the final minutes of the finale. The series made her a household name, earned her an Emmy in 2007 and launched her movie career. [...] tensions began to creep in, escalating in the summer when Heigl pulled herself out of Emmy consideration, attributing her decision to a lack of good stories for her character.

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