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: Medicine
In carcinoid syndrome, the part of heart mostly affected is - 
Select and explain. 
A. Outflow tract of RV, B. Inflow tract of RV, C. Inflow tract of LV, D. Outflow tract LV
B: Inflow tract of RV
Answer: B: Inflow tract of RV 
Explanation: None