4. 有一65歲女性病人,有70-pack-years的抽菸史,與慢性阻塞性肺病(COPD),檢查發現在ambient air之下,氧氣飽和度仍有97%,但吐氣expiratory phase則已明顯延長。其他理學檢查大致良好(unremarkable)。她希望安排肺癌篩檢(screening)檢查。你建議何種篩檢檢查較為適宜?
(A) Chest X-ray
(B) 18-FDG-PET-CT scan
(C) Serum CEA (carcinoembryonic antigen)
(D) Low-dose non-contrast CT scan of the chest
(E) Routine screening for lung cancer should NOT be offered to her