<prompt> cardiac involvement in carcinoid syndrome is characterized byCalcification tricuspid valveIntimal Fibrosis of right ventricle, tricuspid and pulmonary valveInvolvement of the major Britishers is commonly seenEqual involvement of both the sides of the hea  <response>: Refer robbins 9e 562 Cardiac lesions are seen in 50 of the patients with carcinoid syndrome These are largely right-sided due to inactivation of serotonin and predicate in in the blood due to passage through the lungs by monoamine oxidase present in pulmonary vascular endothelium 