Concerned: In the situation you describe i would be concerned about the cancer having spread to the brain (called a metastasis). It's also possible medications that he may be on could cause some of these symptoms. A careful doctor's exam and possibly a cat scan of his head would be useful.
Answered 9/28/2016
5.2k views
Sad: Concern is brain metastasis and behavioral changes see his oncologist.
Answered 4/21/2013
5.2k views
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