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: Pathology
A Patient presents with multiple secondary type of lesions in liver, non responding diarrhea and, flushing. It is most probably due to a lesion in: 
Select and explain. 
A. Liver, B. Stomach, C. Small intestine, D. Large intestine
C: Small intestine
Answer: C: Small intestine 
Explanation: Small intestine