Neuroendocrine neoplasm: Current understanding.

The author describes the understanding of neuroendocrine neoplasms (NENs) from an endocrinologist's perspective to create awareness on NENs among medical professionals across specialities. Topics include the article "Progress Report: The Carcinoid Syndrome" by Grahame-Smith, published in 1970, standard histopathological classification of digestive NENs and pulmonary-NENs (P-NENs) proposed by the World Health Organization (WHO), and treatment approach in gastroenteropancreatic (GEP)-NEN.