<prompt> Whis is the most common valvular abnormality in carcinoid hea disease ?Tricuspid insufficiencyTricuspid stenosisPulmonary stenosisConstrictive pericarditis  <response>: Overall, in patients with carcinoid hea disease, 97 have tricuspid insufficiency, 59 tricuspid stenosis, 50 pulmonary insufficiency, 25 pulmonary stenosis, and 11 left-side lesions. Reference: Harrisons Principles of Internal Medicine, 18th Edition 