Which of the following is not a characteristic of a benign tumor?
A) The tumor is harmless.
B) The tumor is encapsulated.
C) The tumor cells do not perform a useful function.
D) The tumor grows by infiltrating other brain regions.
E) The tumor has a distinct border.
Answer: D
Rationale: A benign tumor does not grow by infiltrating other brain regions.
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Fill in the blank(s) with the appropriate word(s).
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Fill in the blank(s) with correct word
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