Shannen Doherty Steps Out With Her Husband Following Third Round of Chemo

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Shannen Doherty's husband is by her side.

The Beverly Hills, 90210 star stepped out with Kurt Iswarienko in Malibu, California, on Wednesday, days after undergoing her third of her planned eight rounds of chemotherapy.

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Doherty was diagnosed with breast cancer in February 2015. She revealed in a recent sit-down with ET that it has spread to her lymph nodes.

"My marriage was always strong, but it's made my marriage a thousand times stronger," the 45-year-old actress shared. "I could not have gotten through this without my husband."

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"He's never missed a chemo," she added.

Doherty, who expects to complete her treatments in October, admitted that despite her support system, the days immediately following treatments are difficult.

"There's good days and there's bad days," she said. "4-5 days after are horrible, horrible, horrible days."

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"I think overall though, I think I'm doing well," she added.

But the hardest part, she revealed, is not knowing.

"The unknown is always the scariest part," she said. "Pain is manageable ... Living without a breast is manageable. It's the worry of your future, and how your future is going to affect the people that you love."

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For now, Doherty is just trying to find ways to get back to feeling like herself.

"Do I wear a scarf, do I wear a wig, do I wear a hat?" she asked. "I haven't figured that out at all. And I don't know if I'll ever look like me again. I'm just gonna look like a new version of me."

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Some of the scarves, she shared were sent by Diane von Furstenberg.

Watch the video below for more of Doherty's candid thoughts on battling cancer.