Kelly Stafford Has Brain Tumor, Asks For Prayers Before Surgery

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In an Instagram post Wednesday morning, Kelly Stafford, wife of Lions quarterback Matthew Stafford, announced she has a brain tumor and will undergo surgery to remove it. 

Her formal diagnosis is acoustic neuroma or vestibular schwannoma, a very rare type of benign tumor that develops on the nerves leading from the inner ear to the brain, per the MayoClinic. It can cause hearing loss, loss of balance, dizziness and facial numbness.

If treated properly -- in this case, surgically removed -- it is generally not considered life-threatening.