Following is true about bronchial carcinoids.
Carcinoid syndrome is associated with 10% of bronchial carcinoids only.
Most bronchial carcinoids.
	
Do not have secretory activity.
Do not metastasize to distant.
Follow a relatively benign course.
Highly radiosensitive
Metastasis common
Carcinoid syndrome does not manifest
Commonly arise from terminal bronchioles