This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
Most common site of metastasis in Ca colon is 
Select and explain. 
A. Liver, B. Lung, C. Bone, D. Brain
A: Liver
Answer: A: Liver 
Explanation: One-third of patients will have liver metastases at the time of diagnosis and 50% will develop them at some point, accounting for the majority of deaths. The lung is the next most common site; metastasis to ovary, brain, kidney, and bone is less common.Ref: Bailey and love, page: 1262