Most common Valvular lesion seen with carcinoid syndrome is?

Carcinoid hea disease Results from neoplasms of enterochromaffin cells. Can survive up to 10 years after diagnosis, because the tumors, although malignant, are slow growing. Associated with production of serotonin | Serotonin - Cardiac failure, due to fibrous deposits in the endocardium a- fibrous degeneration of the valve apparatus. Fibrosis in the right side of the hea leading to Tricuspid Insufficiency and Pulmonic Stenosis (MNEMONIC: T.I.P.S)