[Solved] Which of the following statements about staging for non-small cell carcinoma of the lung is true?

Q.	Which of the following statements about staging for non-small cell carcinoma of the lung is true?
A.	CT scan provides approximately 95% sensitivity and specificity.
B.	Screening tests have reduced the mortality rate for high-risk patients.
C.	PET scanning has replaced mediastinoscopy for determining cancer staging.
D.	Positive PET scan findings require pathological confirmation.
Answer» D. Positive PET scan findings require pathological confirmation.

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