This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
Size of liver metastasis that can be detected by CECT is? 
Select and explain. 
A. I mm, B. 5 mm, C. 1 cm, D. 2 cm
B: 5 mm
Answer: B: 5 mm 
Explanation: Ans. is 'b' i.e., 5 mmCECT can detect lesions of size upto 5mm but it is difficult to differentiate benign from malignant.