A source close to the situation tells ET that the 35-year-old athlete's brain injuries are "still serious," and that Odom is being treated by doctors as a victim of brain trauma.
"It wasn't just one small stroke, it was a series of strokes," the source tells ET. "They won't know the extent of the damage for a few months. They need time for the brain swelling to go down."
"He can speak, yes, but he’s not having conversations. He's not operating like he was before this," the source says.
Odom's hospitalization is just the beginning of a difficult road to regaining his health and cognizance. The source tells ET that, in the future, "depending on the extent of the damage" he's suffered, Odom may need a voice therapist, a speech therapist and a physical therapist so he can "learn how to do certain motor skills again."
The source tells ET that the 31-year-old Keeping Up With the Kardashians star has hope that this incident could be the catalyst to a sober and drug-free life for her estranged husband.
"The doctors have already told Khloe that if he ever did drugs again, the damage it would do his brain will be irreversible," ET's source says. "This is his chance to finally quit drugs all together and start a new life, and everyone is just hoping he will."