When intestinal neuroendocrine tumors (NETs) metastasize to the liver, people can develop carcinoid syndrome, which can also occur with lung, ovarian, and other types of NETs. Dr. Lowell Anthony, Dr. Aman Chauhan, Dr. Shikha Jain, and Dr. Edward Wolin explain carcinoid syndrome and why it occurs, how it can be confused with other health conditions, its impact on quality of life, and treatment options.