35yr brother nsclc stage 4, doing a lot of crazy stuff, they asked the fam about sedation wht does this mean for him?stumbles &talks strangely

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.

Sad: Concern is brain metastasis and behavioral changes see his oncologist.