Medicine All are TRUE about carcinoid syndrome, EXCEPT: A Flushing associated with it affects upper pa of the body B Tricuspid regurgitation is the most common cardiac lesion C Midgut carcinoids account for 60-70 % of case of carcinoid syndrome D Serotonin appears to be involved in the flushing symptoms 💡 Explanation All are TRUE about carcinoid syndrome, EXCEPT: ✓ Correct Answer: D. Serotonin appears to be involved in the flushing symptoms