1/ Carcinoid tumor is the lower grade end of the spectrum of neuroendocrine tumors in the lung.
Caution: lung terminology is different from GI tract terminology
In the lung, the terminology is
✴️ Typical carcinoid tumor
✴️ Atypical carcinoid tumor
✴️ Small cell carcinoma
✴️ Large cell neuroendocrine carcinoma
We don’t terms such as “well differentiated NET” because...this is #pulmpath and we are special 😜