5. 一個身體狀況大致正常的65歲女性進行健康檢查,colonoscope在升結腸部位發現2個大小分別為1.2公分、1.4公分的扁平樣sessile (flat-based)息肉,內視鏡檢同時進行內視鏡息肉切除,病理報告均為絨毛樣腺瘤(villous adenoma),並無結腸癌。以下建議何種最適當?
(A) Abdominal and Pelvic CT scan
(B) Partial colectomy
(C) Reassurance only
(D) Follow-up colonoscopy in 3 years
(E) Follow-up colonoscopy in 10 years
6. 低劑量胸腔CT掃描發現單一肺結節(solitary pulmonary nodule),下列何者為真?
(A) About 70% of incidentally found pulmonary nodules are benign.
(B) A lobulated and irregular contour is more indicative of malignancy than a smooth one.
(C) Ground-glass nodules should be benign.
(D) Multiple nodules indicate malignant disease.
(E) Absence of growth over a period of 6-12 months is sufficient to determine whether it is benign.