Their medical definition of confusion.
"Confusion can occur with many medical conditions. It involves changes in attention and thinking.
When a person has confusion, they may
feel unsure about their surroundings, history, or identity. They may also feel disconnected from reality or have trouble voicing a coherent, linear thought.
A person with confusion may wander, become afraid or agitated, and may be easy to distract."
I am very curious now if what we saw of his falling down and often mental decline was a result of the drug or drugs he may have been on for this cancer.