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Girl battling cancer granted wish of seeing 'A Dog's Purpose,' gets visit from dog in film

Girl battling cancer granted wish of seeing 'A Dog's Purpose,' gets visit from dog in film (ABC News)

A 12-year-old battling cancer was granted her wish of seeing the inspirational film, "A Dog's Purpose." Brooke Mulford also got a visit from the golden retriever who stars in the film.

Mulford has been battling cancer since she was diagnosed on January 5, 2009, which just so happened to be her mother's 40th birthday.

Amy Mulford, a single mother from Voorhees, New Jersey, initially knew something was wrong with her daughter when she began limping.

"I asked her why she was limping and she said, '[Our dog] Bailey jumped up on me and hurt my knee,'" Amy Mulford recalled to ABC News. "It made sense."

But after a three-hour road trip, Brooke Mulford couldn't straighten her legs and couldn't stand when getting out of the car, her mother added. So she was rushed to the emergency room where doctors diagnosed her with stage four neuroblastoma.

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Despite six rounds of chemotherapy, surgery, two stem cell transplants, and radiation, Brooke Mulford's cancer spread to her spine, which doctors discovered December 5, 2012, her mother said.

And although her prognosis at times improved, in January it took a turn for the worse. "She had a massive spread throughout her whole body," Amy Mulford, 48, detailed.

Since having surgery on January 30 to remove a tumor that had grown in her brain, Brooke Mulford has been hospitalized at Children's Hospital of Philadelphia, Mulford said.

"She was admitted for the pain. It was just getting worse and worse," her mother said. "It's just about trying to get her comfortable. She's not been able to walk for three weeks now. She can't stand anymore."

But Brooke Mulford recently got a break in her painful days after she was granted her wish of seeing "A Dog's Purpose," a film adaptation of W. Bruce Cameron's 2010 novel of a dog who finds his purpose by being reincarnated.

After her mother shared her wish on Facebook, many people contacted the film's production company, Amblin Entertainment. Still, one of her social media friends, Marcie Aron, was connected to Cathryn Michon, the screenwriter for the film and Cameron's wife.

The two not only sent a personalized copy of the novel and T-shirts promoting the film, but Michon visited Brooke Mulford in the hospital on March 11.

Read more of this story from Good Morning America here.