Tumores neuroendocrinos gastroenteropancreáticos: características clínicas, proceso diagnóstico y pronóstico en el Hospital Universitario Clínico San Carlos (Madrid)

The study cohort comprised 78 patients. Gastroenteric nonfunctional tumors were the most common neoplasms. Metastases were found at diagnosis in50.6% of patients, with nodal involvement being most prevalent. Tumors located in the rectum were associated to the highestrate of metastasis. Overall 2-year survival rate was 74.8% and was related to sex, Ki-67 expression, and presence of metastasis.