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The New York Post reports that Grammy Award-winning artist Natalie Cole's sister, Carol "Cookie" Cole, has passed away from lung cancer, only days after Natalie had undergone a liver transplant.

Earlier this week, Natalie, daughter of legend Nat King Cole, was at her sister's bedside when she received word that a kidney had become available and she could receive a life-saving transplant immediately. Only a few hours into the successful transplant surgery, her older sister passed away.

"This is all so surreal, and it is devastating," Natalie's younger sister Timolin told the NY Post. She continues, "Our sister Cookie hasn't been to a doctor in 30 years, and last week she went in and found a cancerous spot on her lung. THey had wanted to start chemo right away, but Cookie said no."

Natalie's rep called the parallel stories "a tragic coincidence."

Our thoughts are with the Cole family.