neuroendocrine carcinoid tumorcarcinoid tumor treatmentneuroendocrine carcinoid tumor lungneuroendocrine carcinoidgastrointestinal carcinoid tumorsendocrine carcinoid tumormetastatic carcinoid tumorcarcinoid tumor small intestineendobronchial carcinoid tumoratypical carcinoid tumorcarcinoid tumor pancreasgastrointestinal neuroendocrine tumor