Lubarsch in 1888 first described the histology of carcinoid tumors (1) and the term carcinoid was proposed in 1907 by Oberndorfer (2) when described a submucosal tumor of the small intestine. Since then, carcinoid has been reported to develop in various organs, including gastrointestinal tract, liver, lung, breast, gall bladder, skin, trachea, parotid gland, and thymus (3). It is well known tha...
