Carcinoid Heart DiseaseCarcinoid TumorMalignant Carcinoid SyndromeTricuspid Valve StenosisHeartHeart ValvesHydroxyindoleacetic AcidHeart Valve DiseasesTricuspid Valve InsufficiencyTricuspid ValveHeart RateHeart DiseasesPulmonary ValveHeart Defects, CongenitalBioprosthesisEchocardiographyHeart FailureCoronary DiseaseLiver DiseasesLiver NeoplasmsIleal NeoplasmsFollow-Up StudiesLiverHeart TransplantationRheumatic Heart DiseaseLiver TransplantationBronchial Neoplasms