With reference to the patient’s personality changes in minicase 2, in which anatomic region of the brain is the intracranial neoplasm located? Why are some anti-cancer drugs incapable of crossing the...

With reference to the patient’s personality changes in minicase 2, in which anatomic region of the brain is the intracranial neoplasm located?

Why are some anti-cancer drugs incapable of crossing the blood–brain barrier and gaining access to an intracranial neoplasm?